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Finding the Fourth Proportional to 8,832,129.40, 13,229,531.70 and 8,832,129.40

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Solution

The fourth proportional to 8,832,129.40, 13,229,531.70 and 8,832,129.40 is: 13,229,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832,129.40 : 13,229,531.70 = 8,832,129.40 : x
  2. Step 2: Convert to fraction form
    8,832,129.40/13,229,531.70 = 8,832,129.40/x
  3. Step 3: Cross multiply
    8,832,129.40x = 13,229,531.70 × 8,832,129.40
  4. Step 4: Simplify right side
    8,832,129.40x = 116,844,935,875,801.98
  5. Step 5: Solve for x
    x = 116,844,935,875,801.98/8,832,129.40
  6. Step 6: Final answer
    x = 13,229,531.70

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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.