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Finding the Fourth Proportional to 5,742.03, 7,909.25 and 4,060.55

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Solution

The fourth proportional to 5,742.03, 7,909.25 and 4,060.55 is: 5,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.03 : 7,909.25 = 4,060.55 : x
  2. Step 2: Convert to fraction form
    5,742.03/7,909.25 = 4,060.55/x
  3. Step 3: Cross multiply
    5,742.03x = 7,909.25 × 4,060.55
  4. Step 4: Simplify right side
    5,742.03x = 32,115,905.09
  5. Step 5: Solve for x
    x = 32,115,905.09/5,742.03
  6. Step 6: Final answer
    x = 5,593.13

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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.