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Finding the Fourth Proportional to 22,869.90, 34,311.81 and 10,871.16

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Solution

The fourth proportional to 22,869.90, 34,311.81 and 10,871.16 is: 16,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,869.90 : 34,311.81 = 10,871.16 : x
  2. Step 2: Convert to fraction form
    22,869.90/34,311.81 = 10,871.16/x
  3. Step 3: Cross multiply
    22,869.90x = 34,311.81 × 10,871.16
  4. Step 4: Simplify right side
    22,869.90x = 373,009,176.40
  5. Step 5: Solve for x
    x = 373,009,176.40/22,869.90
  6. Step 6: Final answer
    x = 16,310.05

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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.