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Finding the Fourth Proportional to 41,228.70, 61,839.45 and 13,526.70

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Solution

The fourth proportional to 41,228.70, 61,839.45 and 13,526.70 is: 20,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,228.70 : 61,839.45 = 13,526.70 : x
  2. Step 2: Convert to fraction form
    41,228.70/61,839.45 = 13,526.70/x
  3. Step 3: Cross multiply
    41,228.70x = 61,839.45 × 13,526.70
  4. Step 4: Simplify right side
    41,228.70x = 836,483,688.32
  5. Step 5: Solve for x
    x = 836,483,688.32/41,228.70
  6. Step 6: Final answer
    x = 20,288.87

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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.