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Finding the Fourth Proportional to 32,258,447.80, 48,387,671.70 and 21,508,905.40

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Solution

The fourth proportional to 32,258,447.80, 48,387,671.70 and 21,508,905.40 is: 32,263,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,258,447.80 : 48,387,671.70 = 21,508,905.40 : x
  2. Step 2: Convert to fraction form
    32,258,447.80/48,387,671.70 = 21,508,905.40/x
  3. Step 3: Cross multiply
    32,258,447.80x = 48,387,671.70 × 21,508,905.40
  4. Step 4: Simplify right side
    32,258,447.80x = 1,040,765,853,121,557.12
  5. Step 5: Solve for x
    x = 1,040,765,853,121,557.12/32,258,447.80
  6. Step 6: Final answer
    x = 32,263,358.10

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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.