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Finding the Fourth Proportional to 55,043.91, 82,569.92 and 17,088.21

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Solution

The fourth proportional to 55,043.91, 82,569.92 and 17,088.21 is: 25,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.91 : 82,569.92 = 17,088.21 : x
  2. Step 2: Convert to fraction form
    55,043.91/82,569.92 = 17,088.21/x
  3. Step 3: Cross multiply
    55,043.91x = 82,569.92 × 17,088.21
  4. Step 4: Simplify right side
    55,043.91x = 1,410,972,047.20
  5. Step 5: Solve for x
    x = 1,410,972,047.20/55,043.91
  6. Step 6: Final answer
    x = 25,633.57

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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.