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Finding the Fourth Proportional to 18,476.50, 25,498.65 and 10,519.06

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Solution

The fourth proportional to 18,476.50, 25,498.65 and 10,519.06 is: 14,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.50 : 25,498.65 = 10,519.06 : x
  2. Step 2: Convert to fraction form
    18,476.50/25,498.65 = 10,519.06/x
  3. Step 3: Cross multiply
    18,476.50x = 25,498.65 × 10,519.06
  4. Step 4: Simplify right side
    18,476.50x = 268,221,829.27
  5. Step 5: Solve for x
    x = 268,221,829.27/18,476.50
  6. Step 6: Final answer
    x = 14,516.92

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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.