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Finding the Fourth Proportional to 57,352.40, 85,864.57 and 57,352.40

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Solution

The fourth proportional to 57,352.40, 85,864.57 and 57,352.40 is: 85,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.40 : 85,864.57 = 57,352.40 : x
  2. Step 2: Convert to fraction form
    57,352.40/85,864.57 = 57,352.40/x
  3. Step 3: Cross multiply
    57,352.40x = 85,864.57 × 57,352.40
  4. Step 4: Simplify right side
    57,352.40x = 4,924,539,164.47
  5. Step 5: Solve for x
    x = 4,924,539,164.47/57,352.40
  6. Step 6: Final answer
    x = 85,864.57

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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.