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Finding the Fourth Proportional to 8,423,764.02, 12,637,220.81 and 3,375,468.18

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Solution

The fourth proportional to 8,423,764.02, 12,637,220.81 and 3,375,468.18 is: 5,063,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,764.02 : 12,637,220.81 = 3,375,468.18 : x
  2. Step 2: Convert to fraction form
    8,423,764.02/12,637,220.81 = 3,375,468.18/x
  3. Step 3: Cross multiply
    8,423,764.02x = 12,637,220.81 × 3,375,468.18
  4. Step 4: Simplify right side
    8,423,764.02x = 42,656,536,710,911.48
  5. Step 5: Solve for x
    x = 42,656,536,710,911.48/8,423,764.02
  6. Step 6: Final answer
    x = 5,063,833.29

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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.