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Finding the Fourth Proportional to 44,691,806.40, 67,031,488.80 and 14,402,731.20

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Solution

The fourth proportional to 44,691,806.40, 67,031,488.80 and 14,402,731.20 is: 21,602,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,691,806.40 : 67,031,488.80 = 14,402,731.20 : x
  2. Step 2: Convert to fraction form
    44,691,806.40/67,031,488.80 = 14,402,731.20/x
  3. Step 3: Cross multiply
    44,691,806.40x = 67,031,488.80 × 14,402,731.20
  4. Step 4: Simplify right side
    44,691,806.40x = 965,436,515,122,210.50
  5. Step 5: Solve for x
    x = 965,436,515,122,210.50/44,691,806.40
  6. Step 6: Final answer
    x = 21,602,092.04

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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.