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Finding the Fourth Proportional to 17,251.79, 25,877.68 and 5,565.01

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Solution

The fourth proportional to 17,251.79, 25,877.68 and 5,565.01 is: 8,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.79 : 25,877.68 = 5,565.01 : x
  2. Step 2: Convert to fraction form
    17,251.79/25,877.68 = 5,565.01/x
  3. Step 3: Cross multiply
    17,251.79x = 25,877.68 × 5,565.01
  4. Step 4: Simplify right side
    17,251.79x = 144,009,590.67
  5. Step 5: Solve for x
    x = 144,009,590.67/17,251.79
  6. Step 6: Final answer
    x = 8,347.51

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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.