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Finding the Fourth Proportional to 60,803.04, 83,938.74 and 38,174.88

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Solution

The fourth proportional to 60,803.04, 83,938.74 and 38,174.88 is: 52,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.04 : 83,938.74 = 38,174.88 : x
  2. Step 2: Convert to fraction form
    60,803.04/83,938.74 = 38,174.88/x
  3. Step 3: Cross multiply
    60,803.04x = 83,938.74 × 38,174.88
  4. Step 4: Simplify right side
    60,803.04x = 3,204,351,326.85
  5. Step 5: Solve for x
    x = 3,204,351,326.85/60,803.04
  6. Step 6: Final answer
    x = 52,700.51

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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.