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Finding the Fourth Proportional to 16,854.91, 25,275.02 and 8,955.52

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Solution

The fourth proportional to 16,854.91, 25,275.02 and 8,955.52 is: 13,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.91 : 25,275.02 = 8,955.52 : x
  2. Step 2: Convert to fraction form
    16,854.91/25,275.02 = 8,955.52/x
  3. Step 3: Cross multiply
    16,854.91x = 25,275.02 × 8,955.52
  4. Step 4: Simplify right side
    16,854.91x = 226,351,058.66
  5. Step 5: Solve for x
    x = 226,351,058.66/16,854.91
  6. Step 6: Final answer
    x = 13,429.38

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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.