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Finding the Fourth Proportional to 37,696,677.80, 56,545,016.70 and 13,462,968.20

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Solution

The fourth proportional to 37,696,677.80, 56,545,016.70 and 13,462,968.20 is: 20,194,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,696,677.80 : 56,545,016.70 = 13,462,968.20 : x
  2. Step 2: Convert to fraction form
    37,696,677.80/56,545,016.70 = 13,462,968.20/x
  3. Step 3: Cross multiply
    37,696,677.80x = 56,545,016.70 × 13,462,968.20
  4. Step 4: Simplify right side
    37,696,677.80x = 761,263,761,700,569
  5. Step 5: Solve for x
    x = 761,263,761,700,569/37,696,677.80
  6. Step 6: Final answer
    x = 20,194,452.30

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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.