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Finding the Fourth Proportional to 14,952.58, 20,633.92 and 8,574.74

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Solution

The fourth proportional to 14,952.58, 20,633.92 and 8,574.74 is: 11,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.58 : 20,633.92 = 8,574.74 : x
  2. Step 2: Convert to fraction form
    14,952.58/20,633.92 = 8,574.74/x
  3. Step 3: Cross multiply
    14,952.58x = 20,633.92 × 8,574.74
  4. Step 4: Simplify right side
    14,952.58x = 176,930,500.18
  5. Step 5: Solve for x
    x = 176,930,500.18/14,952.58
  6. Step 6: Final answer
    x = 11,832.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.