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Finding the Fourth Proportional to 3,906,083.55, 5,868,130.40 and 3,744,661.08

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Solution

The fourth proportional to 3,906,083.55, 5,868,130.40 and 3,744,661.08 is: 5,625,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,083.55 : 5,868,130.40 = 3,744,661.08 : x
  2. Step 2: Convert to fraction form
    3,906,083.55/5,868,130.40 = 3,744,661.08/x
  3. Step 3: Cross multiply
    3,906,083.55x = 5,868,130.40 × 3,744,661.08
  4. Step 4: Simplify right side
    3,906,083.55x = 21,974,159,502,521.52
  5. Step 5: Solve for x
    x = 21,974,159,502,521.52/3,906,083.55
  6. Step 6: Final answer
    x = 5,625,624.55

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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.