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Finding the Fourth Proportional to 16,719.68, 25,081.95 and 8,924.24

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Solution

The fourth proportional to 16,719.68, 25,081.95 and 8,924.24 is: 13,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.68 : 25,081.95 = 8,924.24 : x
  2. Step 2: Convert to fraction form
    16,719.68/25,081.95 = 8,924.24/x
  3. Step 3: Cross multiply
    16,719.68x = 25,081.95 × 8,924.24
  4. Step 4: Simplify right side
    16,719.68x = 223,837,437.64
  5. Step 5: Solve for x
    x = 223,837,437.64/16,719.68
  6. Step 6: Final answer
    x = 13,387.66

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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.