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Finding the Fourth Proportional to 47,323,685.92, 70,978,424.18 and 14,971,384.66

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Solution

The fourth proportional to 47,323,685.92, 70,978,424.18 and 14,971,384.66 is: 22,454,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323,685.92 : 70,978,424.18 = 14,971,384.66 : x
  2. Step 2: Convert to fraction form
    47,323,685.92/70,978,424.18 = 14,971,384.66/x
  3. Step 3: Cross multiply
    47,323,685.92x = 70,978,424.18 × 14,971,384.66
  4. Step 4: Simplify right side
    47,323,685.92x = 1,062,645,290,959,425.25
  5. Step 5: Solve for x
    x = 1,062,645,290,959,425.25/47,323,685.92
  6. Step 6: Final answer
    x = 22,454,829.34

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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.