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Finding the Fourth Proportional to 13,232.77, 18,259.77 and 7,568.98

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Solution

The fourth proportional to 13,232.77, 18,259.77 and 7,568.98 is: 10,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.77 : 18,259.77 = 7,568.98 : x
  2. Step 2: Convert to fraction form
    13,232.77/18,259.77 = 7,568.98/x
  3. Step 3: Cross multiply
    13,232.77x = 18,259.77 × 7,568.98
  4. Step 4: Simplify right side
    13,232.77x = 138,207,833.93
  5. Step 5: Solve for x
    x = 138,207,833.93/13,232.77
  6. Step 6: Final answer
    x = 10,444.36

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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.