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Finding the Fourth Proportional to 10,627.48, 15,933.48 and 5,003.20

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Solution

The fourth proportional to 10,627.48, 15,933.48 and 5,003.20 is: 7,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.48 : 15,933.48 = 5,003.20 : x
  2. Step 2: Convert to fraction form
    10,627.48/15,933.48 = 5,003.20/x
  3. Step 3: Cross multiply
    10,627.48x = 15,933.48 × 5,003.20
  4. Step 4: Simplify right side
    10,627.48x = 79,718,387.14
  5. Step 5: Solve for x
    x = 79,718,387.14/10,627.48
  6. Step 6: Final answer
    x = 7,501.16

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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.