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Finding the Fourth Proportional to 10,073.87, 15,109.07 and 2,679.07

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Solution

The fourth proportional to 10,073.87, 15,109.07 and 2,679.07 is: 4,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.87 : 15,109.07 = 2,679.07 : x
  2. Step 2: Convert to fraction form
    10,073.87/15,109.07 = 2,679.07/x
  3. Step 3: Cross multiply
    10,073.87x = 15,109.07 × 2,679.07
  4. Step 4: Simplify right side
    10,073.87x = 40,478,256.16
  5. Step 5: Solve for x
    x = 40,478,256.16/10,073.87
  6. Step 6: Final answer
    x = 4,018.15

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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.