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Finding the Fourth Proportional to 60,552.78, 83,515.50 and 39,338.88

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Solution

The fourth proportional to 60,552.78, 83,515.50 and 39,338.88 is: 54,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,552.78 : 83,515.50 = 39,338.88 : x
  2. Step 2: Convert to fraction form
    60,552.78/83,515.50 = 39,338.88/x
  3. Step 3: Cross multiply
    60,552.78x = 83,515.50 × 39,338.88
  4. Step 4: Simplify right side
    60,552.78x = 3,285,406,232.64
  5. Step 5: Solve for x
    x = 3,285,406,232.64/60,552.78
  6. Step 6: Final answer
    x = 54,256.90

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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.