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Finding the Fourth Proportional to 18,005.62, 24,847.71 and 10,047.76

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Solution

The fourth proportional to 18,005.62, 24,847.71 and 10,047.76 is: 13,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.62 : 24,847.71 = 10,047.76 : x
  2. Step 2: Convert to fraction form
    18,005.62/24,847.71 = 10,047.76/x
  3. Step 3: Cross multiply
    18,005.62x = 24,847.71 × 10,047.76
  4. Step 4: Simplify right side
    18,005.62x = 249,663,826.63
  5. Step 5: Solve for x
    x = 249,663,826.63/18,005.62
  6. Step 6: Final answer
    x = 13,865.88

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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.