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Finding the Fourth Proportional to 70,484.52, 105,726.96 and 23,770.20

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Solution

The fourth proportional to 70,484.52, 105,726.96 and 23,770.20 is: 35,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484.52 : 105,726.96 = 23,770.20 : x
  2. Step 2: Convert to fraction form
    70,484.52/105,726.96 = 23,770.20/x
  3. Step 3: Cross multiply
    70,484.52x = 105,726.96 × 23,770.20
  4. Step 4: Simplify right side
    70,484.52x = 2,513,150,984.59
  5. Step 5: Solve for x
    x = 2,513,150,984.59/70,484.52
  6. Step 6: Final answer
    x = 35,655.36

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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.