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Finding the Fourth Proportional to 54,258.66, 81,387.99 and 14,814.90

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Solution

The fourth proportional to 54,258.66, 81,387.99 and 14,814.90 is: 22,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.66 : 81,387.99 = 14,814.90 : x
  2. Step 2: Convert to fraction form
    54,258.66/81,387.99 = 14,814.90/x
  3. Step 3: Cross multiply
    54,258.66x = 81,387.99 × 14,814.90
  4. Step 4: Simplify right side
    54,258.66x = 1,205,754,933.05
  5. Step 5: Solve for x
    x = 1,205,754,933.05/54,258.66
  6. Step 6: Final answer
    x = 22,222.35

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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.