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Finding the Fourth Proportional to 60,872.98, 84,002.28 and 35,378.14

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Solution

The fourth proportional to 60,872.98, 84,002.28 and 35,378.14 is: 48,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,872.98 : 84,002.28 = 35,378.14 : x
  2. Step 2: Convert to fraction form
    60,872.98/84,002.28 = 35,378.14/x
  3. Step 3: Cross multiply
    60,872.98x = 84,002.28 × 35,378.14
  4. Step 4: Simplify right side
    60,872.98x = 2,971,844,422.16
  5. Step 5: Solve for x
    x = 2,971,844,422.16/60,872.98
  6. Step 6: Final answer
    x = 48,820.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.