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Finding the Fourth Proportional to 25,447.28, 38,182.28 and 9,866.12

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Solution

The fourth proportional to 25,447.28, 38,182.28 and 9,866.12 is: 14,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.28 : 38,182.28 = 9,866.12 : x
  2. Step 2: Convert to fraction form
    25,447.28/38,182.28 = 9,866.12/x
  3. Step 3: Cross multiply
    25,447.28x = 38,182.28 × 9,866.12
  4. Step 4: Simplify right side
    25,447.28x = 376,710,956.35
  5. Step 5: Solve for x
    x = 376,710,956.35/25,447.28
  6. Step 6: Final answer
    x = 14,803.58

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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.