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Finding the Fourth Proportional to 16,605,070.80, 24,918,103.80 and 9,781,630.80

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Solution

The fourth proportional to 16,605,070.80, 24,918,103.80 and 9,781,630.80 is: 14,678,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605,070.80 : 24,918,103.80 = 9,781,630.80 : x
  2. Step 2: Convert to fraction form
    16,605,070.80/24,918,103.80 = 9,781,630.80/x
  3. Step 3: Cross multiply
    16,605,070.80x = 24,918,103.80 × 9,781,630.80
  4. Step 4: Simplify right side
    16,605,070.80x = 243,739,691,607,677.06
  5. Step 5: Solve for x
    x = 243,739,691,607,677.06/16,605,070.80
  6. Step 6: Final answer
    x = 14,678,630.07

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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.