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Finding the Fourth Proportional to 16,330.16, 22,535.64 and 8,878.16

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Solution

The fourth proportional to 16,330.16, 22,535.64 and 8,878.16 is: 12,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.16 : 22,535.64 = 8,878.16 : x
  2. Step 2: Convert to fraction form
    16,330.16/22,535.64 = 8,878.16/x
  3. Step 3: Cross multiply
    16,330.16x = 22,535.64 × 8,878.16
  4. Step 4: Simplify right side
    16,330.16x = 200,075,017.62
  5. Step 5: Solve for x
    x = 200,075,017.62/16,330.16
  6. Step 6: Final answer
    x = 12,251.87

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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.