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Finding the Fourth Proportional to 5,671,807.60, 8,489,502.60 and 2,972,282.80

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Solution

The fourth proportional to 5,671,807.60, 8,489,502.60 and 2,972,282.80 is: 4,448,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671,807.60 : 8,489,502.60 = 2,972,282.80 : x
  2. Step 2: Convert to fraction form
    5,671,807.60/8,489,502.60 = 2,972,282.80/x
  3. Step 3: Cross multiply
    5,671,807.60x = 8,489,502.60 × 2,972,282.80
  4. Step 4: Simplify right side
    5,671,807.60x = 25,233,202,558,535.28
  5. Step 5: Solve for x
    x = 25,233,202,558,535.28/5,671,807.60
  6. Step 6: Final answer
    x = 4,448,881.97

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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.