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Finding the Fourth Proportional to 60,996.80, 84,204.15 and 45,895.12

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Solution

The fourth proportional to 60,996.80, 84,204.15 and 45,895.12 is: 63,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,996.80 : 84,204.15 = 45,895.12 : x
  2. Step 2: Convert to fraction form
    60,996.80/84,204.15 = 45,895.12/x
  3. Step 3: Cross multiply
    60,996.80x = 84,204.15 × 45,895.12
  4. Step 4: Simplify right side
    60,996.80x = 3,864,559,568.75
  5. Step 5: Solve for x
    x = 3,864,559,568.75/60,996.80
  6. Step 6: Final answer
    x = 63,356.76

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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.