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Finding the Fourth Proportional to 7,645.98, 10,552.23 and 4,503.18

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Solution

The fourth proportional to 7,645.98, 10,552.23 and 4,503.18 is: 6,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.98 : 10,552.23 = 4,503.18 : x
  2. Step 2: Convert to fraction form
    7,645.98/10,552.23 = 4,503.18/x
  3. Step 3: Cross multiply
    7,645.98x = 10,552.23 × 4,503.18
  4. Step 4: Simplify right side
    7,645.98x = 47,518,591.09
  5. Step 5: Solve for x
    x = 47,518,591.09/7,645.98
  6. Step 6: Final answer
    x = 6,214.85

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Half scale
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Double scale
Find fourth proportional to 7,646.98, 10,553.61 and 4,504.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.