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Finding the Fourth Proportional to 14,761,985.60, 22,142,978.40 and 11,776,001.60

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Solution

The fourth proportional to 14,761,985.60, 22,142,978.40 and 11,776,001.60 is: 17,664,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,985.60 : 22,142,978.40 = 11,776,001.60 : x
  2. Step 2: Convert to fraction form
    14,761,985.60/22,142,978.40 = 11,776,001.60/x
  3. Step 3: Cross multiply
    14,761,985.60x = 22,142,978.40 × 11,776,001.60
  4. Step 4: Simplify right side
    14,761,985.60x = 260,755,749,067,165.41
  5. Step 5: Solve for x
    x = 260,755,749,067,165.41/14,761,985.60
  6. Step 6: Final answer
    x = 17,664,002.40

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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.