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Finding the Fourth Proportional to 70,454.52, 105,681.96 and 23,740.20

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Solution

The fourth proportional to 70,454.52, 105,681.96 and 23,740.20 is: 35,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.52 : 105,681.96 = 23,740.20 : x
  2. Step 2: Convert to fraction form
    70,454.52/105,681.96 = 23,740.20/x
  3. Step 3: Cross multiply
    70,454.52x = 105,681.96 × 23,740.20
  4. Step 4: Simplify right side
    70,454.52x = 2,508,910,866.79
  5. Step 5: Solve for x
    x = 2,508,910,866.79/70,454.52
  6. Step 6: Final answer
    x = 35,610.36

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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.