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Finding the Fourth Proportional to 9,103.71, 13,655.57 and 2,529.90

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Solution

The fourth proportional to 9,103.71, 13,655.57 and 2,529.90 is: 3,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.71 : 13,655.57 = 2,529.90 : x
  2. Step 2: Convert to fraction form
    9,103.71/13,655.57 = 2,529.90/x
  3. Step 3: Cross multiply
    9,103.71x = 13,655.57 × 2,529.90
  4. Step 4: Simplify right side
    9,103.71x = 34,547,226.54
  5. Step 5: Solve for x
    x = 34,547,226.54/9,103.71
  6. Step 6: Final answer
    x = 3,794.85

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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.