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Finding the Fourth Proportional to 71,407.68, 107,037.20 and 23,987.58

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Solution

The fourth proportional to 71,407.68, 107,037.20 and 23,987.58 is: 35,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,407.68 : 107,037.20 = 23,987.58 : x
  2. Step 2: Convert to fraction form
    71,407.68/107,037.20 = 23,987.58/x
  3. Step 3: Cross multiply
    71,407.68x = 107,037.20 × 23,987.58
  4. Step 4: Simplify right side
    71,407.68x = 2,567,563,397.98
  5. Step 5: Solve for x
    x = 2,567,563,397.98/71,407.68
  6. Step 6: Final answer
    x = 35,956.40

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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.