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Finding the Fourth Proportional to 52,466.60, 72,404.70 and 28,593.20

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Solution

The fourth proportional to 52,466.60, 72,404.70 and 28,593.20 is: 39,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,466.60 : 72,404.70 = 28,593.20 : x
  2. Step 2: Convert to fraction form
    52,466.60/72,404.70 = 28,593.20/x
  3. Step 3: Cross multiply
    52,466.60x = 72,404.70 × 28,593.20
  4. Step 4: Simplify right side
    52,466.60x = 2,070,282,068.04
  5. Step 5: Solve for x
    x = 2,070,282,068.04/52,466.60
  6. Step 6: Final answer
    x = 39,459.05

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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.