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Finding the Fourth Proportional to 61,471.80, 84,830.14 and 34,614.22

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Solution

The fourth proportional to 61,471.80, 84,830.14 and 34,614.22 is: 47,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,471.80 : 84,830.14 = 34,614.22 : x
  2. Step 2: Convert to fraction form
    61,471.80/84,830.14 = 34,614.22/x
  3. Step 3: Cross multiply
    61,471.80x = 84,830.14 × 34,614.22
  4. Step 4: Simplify right side
    61,471.80x = 2,936,329,128.59
  5. Step 5: Solve for x
    x = 2,936,329,128.59/61,471.80
  6. Step 6: Final answer
    x = 47,767.09

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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.