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Finding the Fourth Proportional to 13,560.60, 18,713.42 and 7,510.26

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Solution

The fourth proportional to 13,560.60, 18,713.42 and 7,510.26 is: 10,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.60 : 18,713.42 = 7,510.26 : x
  2. Step 2: Convert to fraction form
    13,560.60/18,713.42 = 7,510.26/x
  3. Step 3: Cross multiply
    13,560.60x = 18,713.42 × 7,510.26
  4. Step 4: Simplify right side
    13,560.60x = 140,542,649.69
  5. Step 5: Solve for x
    x = 140,542,649.69/13,560.60
  6. Step 6: Final answer
    x = 10,364.04

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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.