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Finding the Fourth Proportional to 13,552.48, 20,335.68 and 10,264.48

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Solution

The fourth proportional to 13,552.48, 20,335.68 and 10,264.48 is: 15,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.48 : 20,335.68 = 10,264.48 : x
  2. Step 2: Convert to fraction form
    13,552.48/20,335.68 = 10,264.48/x
  3. Step 3: Cross multiply
    13,552.48x = 20,335.68 × 10,264.48
  4. Step 4: Simplify right side
    13,552.48x = 208,735,180.65
  5. Step 5: Solve for x
    x = 208,735,180.65/13,552.48
  6. Step 6: Final answer
    x = 15,401.99

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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.