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Finding the Fourth Proportional to 7,248.63, 10,003.10 and 4,105.11

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Solution

The fourth proportional to 7,248.63, 10,003.10 and 4,105.11 is: 5,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.63 : 10,003.10 = 4,105.11 : x
  2. Step 2: Convert to fraction form
    7,248.63/10,003.10 = 4,105.11/x
  3. Step 3: Cross multiply
    7,248.63x = 10,003.10 × 4,105.11
  4. Step 4: Simplify right side
    7,248.63x = 41,063,805.32
  5. Step 5: Solve for x
    x = 41,063,805.32/7,248.63
  6. Step 6: Final answer
    x = 5,665.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.