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Finding the Fourth Proportional to 8,241,001.90, 12,366,751.65 and 4,829,281.90

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Solution

The fourth proportional to 8,241,001.90, 12,366,751.65 and 4,829,281.90 is: 7,246,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,001.90 : 12,366,751.65 = 4,829,281.90 : x
  2. Step 2: Convert to fraction form
    8,241,001.90/12,366,751.65 = 4,829,281.90/x
  3. Step 3: Cross multiply
    8,241,001.90x = 12,366,751.65 × 4,829,281.90
  4. Step 4: Simplify right side
    8,241,001.90x = 59,722,529,905,140.14
  5. Step 5: Solve for x
    x = 59,722,529,905,140.14/8,241,001.90
  6. Step 6: Final answer
    x = 7,246,998.68

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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.