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Finding the Fourth Proportional to 22,475.81, 33,715.34 and 8,624.81

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Solution

The fourth proportional to 22,475.81, 33,715.34 and 8,624.81 is: 12,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.81 : 33,715.34 = 8,624.81 : x
  2. Step 2: Convert to fraction form
    22,475.81/33,715.34 = 8,624.81/x
  3. Step 3: Cross multiply
    22,475.81x = 33,715.34 × 8,624.81
  4. Step 4: Simplify right side
    22,475.81x = 290,788,475.09
  5. Step 5: Solve for x
    x = 290,788,475.09/22,475.81
  6. Step 6: Final answer
    x = 12,937.84

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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.