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Finding the Fourth Proportional to 16,129.01, 24,200.35 and 7,815.22

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Solution

The fourth proportional to 16,129.01, 24,200.35 and 7,815.22 is: 11,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.01 : 24,200.35 = 7,815.22 : x
  2. Step 2: Convert to fraction form
    16,129.01/24,200.35 = 7,815.22/x
  3. Step 3: Cross multiply
    16,129.01x = 24,200.35 × 7,815.22
  4. Step 4: Simplify right side
    16,129.01x = 189,130,979.29
  5. Step 5: Solve for x
    x = 189,130,979.29/16,129.01
  6. Step 6: Final answer
    x = 11,726.14

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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.