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Finding the Fourth Proportional to 70,397.56, 105,587.52 and 23,008.69

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Solution

The fourth proportional to 70,397.56, 105,587.52 and 23,008.69 is: 34,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.56 : 105,587.52 = 23,008.69 : x
  2. Step 2: Convert to fraction form
    70,397.56/105,587.52 = 23,008.69/x
  3. Step 3: Cross multiply
    70,397.56x = 105,587.52 × 23,008.69
  4. Step 4: Simplify right side
    70,397.56x = 2,429,429,987.61
  5. Step 5: Solve for x
    x = 2,429,429,987.61/70,397.56
  6. Step 6: Final answer
    x = 34,510.15

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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.