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Finding the Fourth Proportional to 60,460, 90,692.03 and 27,180.16

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Solution

The fourth proportional to 60,460, 90,692.03 and 27,180.16 is: 40,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,460 : 90,692.03 = 27,180.16 : x
  2. Step 2: Convert to fraction form
    60,460/90,692.03 = 27,180.16/x
  3. Step 3: Cross multiply
    60,460x = 90,692.03 × 27,180.16
  4. Step 4: Simplify right side
    60,460x = 2,465,023,886.12
  5. Step 5: Solve for x
    x = 2,465,023,886.12/60,460
  6. Step 6: Final answer
    x = 40,771.15

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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.