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Finding the Fourth Proportional to 22,905.32, 34,347.11 and 8,871.92

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Solution

The fourth proportional to 22,905.32, 34,347.11 and 8,871.92 is: 13,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.32 : 34,347.11 = 8,871.92 : x
  2. Step 2: Convert to fraction form
    22,905.32/34,347.11 = 8,871.92/x
  3. Step 3: Cross multiply
    22,905.32x = 34,347.11 × 8,871.92
  4. Step 4: Simplify right side
    22,905.32x = 304,724,596.06
  5. Step 5: Solve for x
    x = 304,724,596.06/22,905.32
  6. Step 6: Final answer
    x = 13,303.66

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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.