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Finding the Fourth Proportional to 6,252.49, 9,378.55 and 1,572.49

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Solution

The fourth proportional to 6,252.49, 9,378.55 and 1,572.49 is: 2,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.49 : 9,378.55 = 1,572.49 : x
  2. Step 2: Convert to fraction form
    6,252.49/9,378.55 = 1,572.49/x
  3. Step 3: Cross multiply
    6,252.49x = 9,378.55 × 1,572.49
  4. Step 4: Simplify right side
    6,252.49x = 14,747,676.09
  5. Step 5: Solve for x
    x = 14,747,676.09/6,252.49
  6. Step 6: Final answer
    x = 2,358.69

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Half scale
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Double scale
Find fourth proportional to 6,253.49, 9,380.05 and 1,573.49
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.