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Finding the Fourth Proportional to 12,909.06, 17,806.02 and 7,600.14

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Solution

The fourth proportional to 12,909.06, 17,806.02 and 7,600.14 is: 10,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.06 : 17,806.02 = 7,600.14 : x
  2. Step 2: Convert to fraction form
    12,909.06/17,806.02 = 7,600.14/x
  3. Step 3: Cross multiply
    12,909.06x = 17,806.02 × 7,600.14
  4. Step 4: Simplify right side
    12,909.06x = 135,328,244.84
  5. Step 5: Solve for x
    x = 135,328,244.84/12,909.06
  6. Step 6: Final answer
    x = 10,483.20

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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.