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Finding the Fourth Proportional to 10,568.88, 15,854.16 and 3,548.92

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Solution

The fourth proportional to 10,568.88, 15,854.16 and 3,548.92 is: 5,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.88 : 15,854.16 = 3,548.92 : x
  2. Step 2: Convert to fraction form
    10,568.88/15,854.16 = 3,548.92/x
  3. Step 3: Cross multiply
    10,568.88x = 15,854.16 × 3,548.92
  4. Step 4: Simplify right side
    10,568.88x = 56,265,145.51
  5. Step 5: Solve for x
    x = 56,265,145.51/10,568.88
  6. Step 6: Final answer
    x = 5,323.66

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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.