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Finding the Fourth Proportional to 17,860.08, 26,659.02 and 15,758.16

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Solution

The fourth proportional to 17,860.08, 26,659.02 and 15,758.16 is: 23,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.08 : 26,659.02 = 15,758.16 : x
  2. Step 2: Convert to fraction form
    17,860.08/26,659.02 = 15,758.16/x
  3. Step 3: Cross multiply
    17,860.08x = 26,659.02 × 15,758.16
  4. Step 4: Simplify right side
    17,860.08x = 420,097,102.60
  5. Step 5: Solve for x
    x = 420,097,102.60/17,860.08
  6. Step 6: Final answer
    x = 23,521.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.