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Finding the Fourth Proportional to 61,160.94, 84,397.11 and 34,299.78

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Solution

The fourth proportional to 61,160.94, 84,397.11 and 34,299.78 is: 47,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,160.94 : 84,397.11 = 34,299.78 : x
  2. Step 2: Convert to fraction form
    61,160.94/84,397.11 = 34,299.78/x
  3. Step 3: Cross multiply
    61,160.94x = 84,397.11 × 34,299.78
  4. Step 4: Simplify right side
    61,160.94x = 2,894,802,305.64
  5. Step 5: Solve for x
    x = 2,894,802,305.64/61,160.94
  6. Step 6: Final answer
    x = 47,330.90

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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.