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Finding the Fourth Proportional to 13,862.16, 20,808.04 and 5,968.59

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Solution

The fourth proportional to 13,862.16, 20,808.04 and 5,968.59 is: 8,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.16 : 20,808.04 = 5,968.59 : x
  2. Step 2: Convert to fraction form
    13,862.16/20,808.04 = 5,968.59/x
  3. Step 3: Cross multiply
    13,862.16x = 20,808.04 × 5,968.59
  4. Step 4: Simplify right side
    13,862.16x = 124,194,588.89
  5. Step 5: Solve for x
    x = 124,194,588.89/13,862.16
  6. Step 6: Final answer
    x = 8,959.25

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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.