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Finding the Fourth Proportional to 6,151,985.70, 9,227,978.55 and 3,758,532.90

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Solution

The fourth proportional to 6,151,985.70, 9,227,978.55 and 3,758,532.90 is: 5,637,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151,985.70 : 9,227,978.55 = 3,758,532.90 : x
  2. Step 2: Convert to fraction form
    6,151,985.70/9,227,978.55 = 3,758,532.90/x
  3. Step 3: Cross multiply
    6,151,985.70x = 9,227,978.55 × 3,758,532.90
  4. Step 4: Simplify right side
    6,151,985.70x = 34,683,660,980,669.30
  5. Step 5: Solve for x
    x = 34,683,660,980,669.30/6,151,985.70
  6. Step 6: Final answer
    x = 5,637,799.35

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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.