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Finding the Fourth Proportional to 23,782.61, 35,641.11 and 17,932.79

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Solution

The fourth proportional to 23,782.61, 35,641.11 and 17,932.79 is: 26,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782.61 : 35,641.11 = 17,932.79 : x
  2. Step 2: Convert to fraction form
    23,782.61/35,641.11 = 17,932.79/x
  3. Step 3: Cross multiply
    23,782.61x = 35,641.11 × 17,932.79
  4. Step 4: Simplify right side
    23,782.61x = 639,144,697.35
  5. Step 5: Solve for x
    x = 639,144,697.35/23,782.61
  6. Step 6: Final answer
    x = 26,874.45

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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.