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Finding the Fourth Proportional to 75,603.01, 113,191.20 and 39,983.61

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Solution

The fourth proportional to 75,603.01, 113,191.20 and 39,983.61 is: 59,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,603.01 : 113,191.20 = 39,983.61 : x
  2. Step 2: Convert to fraction form
    75,603.01/113,191.20 = 39,983.61/x
  3. Step 3: Cross multiply
    75,603.01x = 113,191.20 × 39,983.61
  4. Step 4: Simplify right side
    75,603.01x = 4,525,792,796.23
  5. Step 5: Solve for x
    x = 4,525,792,796.23/75,603.01
  6. Step 6: Final answer
    x = 59,862.60

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1.5x scale

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.