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Finding the Fourth Proportional to 71,407.17, 107,036.46 and 23,987.07

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Solution

The fourth proportional to 71,407.17, 107,036.46 and 23,987.07 is: 35,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,407.17 : 107,036.46 = 23,987.07 : x
  2. Step 2: Convert to fraction form
    71,407.17/107,036.46 = 23,987.07/x
  3. Step 3: Cross multiply
    71,407.17x = 107,036.46 × 23,987.07
  4. Step 4: Simplify right side
    71,407.17x = 2,567,491,058.57
  5. Step 5: Solve for x
    x = 2,567,491,058.57/71,407.17
  6. Step 6: Final answer
    x = 35,955.65

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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.