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Finding the Fourth Proportional to 54,677.72, 82,016.59 and 13,124.72

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Solution

The fourth proportional to 54,677.72, 82,016.59 and 13,124.72 is: 19,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.72 : 82,016.59 = 13,124.72 : x
  2. Step 2: Convert to fraction form
    54,677.72/82,016.59 = 13,124.72/x
  3. Step 3: Cross multiply
    54,677.72x = 82,016.59 × 13,124.72
  4. Step 4: Simplify right side
    54,677.72x = 1,076,444,713.48
  5. Step 5: Solve for x
    x = 1,076,444,713.48/54,677.72
  6. Step 6: Final answer
    x = 19,687.08

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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.