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Finding the Fourth Proportional to 54,373.70, 81,551.82 and 14,921.60

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Solution

The fourth proportional to 54,373.70, 81,551.82 and 14,921.60 is: 22,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.70 : 81,551.82 = 14,921.60 : x
  2. Step 2: Convert to fraction form
    54,373.70/81,551.82 = 14,921.60/x
  3. Step 3: Cross multiply
    54,373.70x = 81,551.82 × 14,921.60
  4. Step 4: Simplify right side
    54,373.70x = 1,216,883,637.31
  5. Step 5: Solve for x
    x = 1,216,883,637.31/54,373.70
  6. Step 6: Final answer
    x = 22,380.00

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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.