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Finding the Fourth Proportional to 53,265.60, 72,500.40 and 53,265.60

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Solution

The fourth proportional to 53,265.60, 72,500.40 and 53,265.60 is: 72,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265.60 : 72,500.40 = 53,265.60 : x
  2. Step 2: Convert to fraction form
    53,265.60/72,500.40 = 53,265.60/x
  3. Step 3: Cross multiply
    53,265.60x = 72,500.40 × 53,265.60
  4. Step 4: Simplify right side
    53,265.60x = 3,861,777,306.24
  5. Step 5: Solve for x
    x = 3,861,777,306.24/53,265.60
  6. Step 6: Final answer
    x = 72,500.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.