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Finding the Fourth Proportional to 10,347.80, 15,549.30 and 9,062.10

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Solution

The fourth proportional to 10,347.80, 15,549.30 and 9,062.10 is: 13,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.80 : 15,549.30 = 9,062.10 : x
  2. Step 2: Convert to fraction form
    10,347.80/15,549.30 = 9,062.10/x
  3. Step 3: Cross multiply
    10,347.80x = 15,549.30 × 9,062.10
  4. Step 4: Simplify right side
    10,347.80x = 140,909,311.53
  5. Step 5: Solve for x
    x = 140,909,311.53/10,347.80
  6. Step 6: Final answer
    x = 13,617.33

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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.