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Finding the Fourth Proportional to 84,725.79, 127,010.91 and 29,282.91

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Solution

The fourth proportional to 84,725.79, 127,010.91 and 29,282.91 is: 43,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.79 : 127,010.91 = 29,282.91 : x
  2. Step 2: Convert to fraction form
    84,725.79/127,010.91 = 29,282.91/x
  3. Step 3: Cross multiply
    84,725.79x = 127,010.91 × 29,282.91
  4. Step 4: Simplify right side
    84,725.79x = 3,719,249,046.55
  5. Step 5: Solve for x
    x = 3,719,249,046.55/84,725.79
  6. Step 6: Final answer
    x = 43,897.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.