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Finding the Fourth Proportional to 10,375.43, 15,563.13 and 3,802.13

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Solution

The fourth proportional to 10,375.43, 15,563.13 and 3,802.13 is: 5,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.43 : 15,563.13 = 3,802.13 : x
  2. Step 2: Convert to fraction form
    10,375.43/15,563.13 = 3,802.13/x
  3. Step 3: Cross multiply
    10,375.43x = 15,563.13 × 3,802.13
  4. Step 4: Simplify right side
    10,375.43x = 59,172,946.64
  5. Step 5: Solve for x
    x = 59,172,946.64/10,375.43
  6. Step 6: Final answer
    x = 5,703.18

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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.