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Finding the Fourth Proportional to 10,108.80, 13,919.04 and 9,532.08

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Solution

The fourth proportional to 10,108.80, 13,919.04 and 9,532.08 is: 13,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.80 : 13,919.04 = 9,532.08 : x
  2. Step 2: Convert to fraction form
    10,108.80/13,919.04 = 9,532.08/x
  3. Step 3: Cross multiply
    10,108.80x = 13,919.04 × 9,532.08
  4. Step 4: Simplify right side
    10,108.80x = 132,677,402.80
  5. Step 5: Solve for x
    x = 132,677,402.80/10,108.80
  6. Step 6: Final answer
    x = 13,124.94

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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.