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Finding the Fourth Proportional to 60,642.56, 90,863.28 and 36,878.22

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Solution

The fourth proportional to 60,642.56, 90,863.28 and 36,878.22 is: 55,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.56 : 90,863.28 = 36,878.22 : x
  2. Step 2: Convert to fraction form
    60,642.56/90,863.28 = 36,878.22/x
  3. Step 3: Cross multiply
    60,642.56x = 90,863.28 × 36,878.22
  4. Step 4: Simplify right side
    60,642.56x = 3,350,875,845.37
  5. Step 5: Solve for x
    x = 3,350,875,845.37/60,642.56
  6. Step 6: Final answer
    x = 55,256.17

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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.