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Finding the Fourth Proportional to 60,490.02, 90,675.90 and 27,218.46

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Solution

The fourth proportional to 60,490.02, 90,675.90 and 27,218.46 is: 40,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.02 : 90,675.90 = 27,218.46 : x
  2. Step 2: Convert to fraction form
    60,490.02/90,675.90 = 27,218.46/x
  3. Step 3: Cross multiply
    60,490.02x = 90,675.90 × 27,218.46
  4. Step 4: Simplify right side
    60,490.02x = 2,468,058,357.11
  5. Step 5: Solve for x
    x = 2,468,058,357.11/60,490.02
  6. Step 6: Final answer
    x = 40,801.08

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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.