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Finding the Fourth Proportional to 17,972,425.20, 26,958,637.80 and 14,781,154.80

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Solution

The fourth proportional to 17,972,425.20, 26,958,637.80 and 14,781,154.80 is: 22,171,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972,425.20 : 26,958,637.80 = 14,781,154.80 : x
  2. Step 2: Convert to fraction form
    17,972,425.20/26,958,637.80 = 14,781,154.80/x
  3. Step 3: Cross multiply
    17,972,425.20x = 26,958,637.80 × 14,781,154.80
  4. Step 4: Simplify right side
    17,972,425.20x = 398,479,798,518,931.50
  5. Step 5: Solve for x
    x = 398,479,798,518,931.50/17,972,425.20
  6. Step 6: Final answer
    x = 22,171,732.20

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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.