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Finding the Fourth Proportional to 8,834,421.70, 13,251,632.55 and 8,834,421.70

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Solution

The fourth proportional to 8,834,421.70, 13,251,632.55 and 8,834,421.70 is: 13,251,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834,421.70 : 13,251,632.55 = 8,834,421.70 : x
  2. Step 2: Convert to fraction form
    8,834,421.70/13,251,632.55 = 8,834,421.70/x
  3. Step 3: Cross multiply
    8,834,421.70x = 13,251,632.55 × 8,834,421.70
  4. Step 4: Simplify right side
    8,834,421.70x = 117,070,510,160,146.33
  5. Step 5: Solve for x
    x = 117,070,510,160,146.33/8,834,421.70
  6. Step 6: Final answer
    x = 13,251,632.55

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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.