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Finding the Fourth Proportional to 40,658,891.76, 60,975,404.04 and 13,358,891.76

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Solution

The fourth proportional to 40,658,891.76, 60,975,404.04 and 13,358,891.76 is: 20,034,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,658,891.76 : 60,975,404.04 = 13,358,891.76 : x
  2. Step 2: Convert to fraction form
    40,658,891.76/60,975,404.04 = 13,358,891.76/x
  3. Step 3: Cross multiply
    40,658,891.76x = 60,975,404.04 × 13,358,891.76
  4. Step 4: Simplify right side
    40,658,891.76x = 814,563,822,592,626.62
  5. Step 5: Solve for x
    x = 814,563,822,592,626.62/40,658,891.76
  6. Step 6: Final answer
    x = 20,034,088.17

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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.