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Finding the Fourth Proportional to 61,298.96, 84,397.02 and 52,310.40

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Solution

The fourth proportional to 61,298.96, 84,397.02 and 52,310.40 is: 72,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,298.96 : 84,397.02 = 52,310.40 : x
  2. Step 2: Convert to fraction form
    61,298.96/84,397.02 = 52,310.40/x
  3. Step 3: Cross multiply
    61,298.96x = 84,397.02 × 52,310.40
  4. Step 4: Simplify right side
    61,298.96x = 4,414,841,875.01
  5. Step 5: Solve for x
    x = 4,414,841,875.01/61,298.96
  6. Step 6: Final answer
    x = 72,021.48

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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.