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Finding the Fourth Proportional to 5,972,854.60, 8,959,281.90 and 1,485,130.60

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Solution

The fourth proportional to 5,972,854.60, 8,959,281.90 and 1,485,130.60 is: 2,227,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972,854.60 : 8,959,281.90 = 1,485,130.60 : x
  2. Step 2: Convert to fraction form
    5,972,854.60/8,959,281.90 = 1,485,130.60/x
  3. Step 3: Cross multiply
    5,972,854.60x = 8,959,281.90 × 1,485,130.60
  4. Step 4: Simplify right side
    5,972,854.60x = 13,305,703,703,716.14
  5. Step 5: Solve for x
    x = 13,305,703,703,716.14/5,972,854.60
  6. Step 6: Final answer
    x = 2,227,695.90

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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.