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Finding the Fourth Proportional to 16,459.01, 22,713.27 and 8,905.18

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Solution

The fourth proportional to 16,459.01, 22,713.27 and 8,905.18 is: 12,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.01 : 22,713.27 = 8,905.18 : x
  2. Step 2: Convert to fraction form
    16,459.01/22,713.27 = 8,905.18/x
  3. Step 3: Cross multiply
    16,459.01x = 22,713.27 × 8,905.18
  4. Step 4: Simplify right side
    16,459.01x = 202,265,692.91
  5. Step 5: Solve for x
    x = 202,265,692.91/16,459.01
  6. Step 6: Final answer
    x = 12,289.05

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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.