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Finding the Fourth Proportional to 18,599.28, 25,666.08 and 10,216.08

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Solution

The fourth proportional to 18,599.28, 25,666.08 and 10,216.08 is: 14,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.28 : 25,666.08 = 10,216.08 : x
  2. Step 2: Convert to fraction form
    18,599.28/25,666.08 = 10,216.08/x
  3. Step 3: Cross multiply
    18,599.28x = 25,666.08 × 10,216.08
  4. Step 4: Simplify right side
    18,599.28x = 262,206,726.57
  5. Step 5: Solve for x
    x = 262,206,726.57/18,599.28
  6. Step 6: Final answer
    x = 14,097.68

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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.