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Finding the Fourth Proportional to 36,802.70, 55,204.95 and 13,429.13

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Solution

The fourth proportional to 36,802.70, 55,204.95 and 13,429.13 is: 20,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,802.70 : 55,204.95 = 13,429.13 : x
  2. Step 2: Convert to fraction form
    36,802.70/55,204.95 = 13,429.13/x
  3. Step 3: Cross multiply
    36,802.70x = 55,204.95 × 13,429.13
  4. Step 4: Simplify right side
    36,802.70x = 741,354,174.17
  5. Step 5: Solve for x
    x = 741,354,174.17/36,802.70
  6. Step 6: Final answer
    x = 20,144.02

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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.