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Finding the Fourth Proportional to 5,043.40, 7,565.11 and 1,755.70

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Solution

The fourth proportional to 5,043.40, 7,565.11 and 1,755.70 is: 2,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.40 : 7,565.11 = 1,755.70 : x
  2. Step 2: Convert to fraction form
    5,043.40/7,565.11 = 1,755.70/x
  3. Step 3: Cross multiply
    5,043.40x = 7,565.11 × 1,755.70
  4. Step 4: Simplify right side
    5,043.40x = 13,282,040.32
  5. Step 5: Solve for x
    x = 13,282,040.32/5,043.40
  6. Step 6: Final answer
    x = 2,633.55

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Half scale
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Double scale
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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.