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Finding the Fourth Proportional to 16,115.01, 22,238.65 and 9,041.28

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Solution

The fourth proportional to 16,115.01, 22,238.65 and 9,041.28 is: 12,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.01 : 22,238.65 = 9,041.28 : x
  2. Step 2: Convert to fraction form
    16,115.01/22,238.65 = 9,041.28/x
  3. Step 3: Cross multiply
    16,115.01x = 22,238.65 × 9,041.28
  4. Step 4: Simplify right side
    16,115.01x = 201,065,861.47
  5. Step 5: Solve for x
    x = 201,065,861.47/16,115.01
  6. Step 6: Final answer
    x = 12,476.93

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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.