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Finding the Fourth Proportional to 60,465.49, 83,251.80 and 54,860.49

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Solution

The fourth proportional to 60,465.49, 83,251.80 and 54,860.49 is: 75,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,465.49 : 83,251.80 = 54,860.49 : x
  2. Step 2: Convert to fraction form
    60,465.49/83,251.80 = 54,860.49/x
  3. Step 3: Cross multiply
    60,465.49x = 83,251.80 × 54,860.49
  4. Step 4: Simplify right side
    60,465.49x = 4,567,234,541.38
  5. Step 5: Solve for x
    x = 4,567,234,541.38/60,465.49
  6. Step 6: Final answer
    x = 75,534.57

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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.