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Finding the Fourth Proportional to 38,719.44, 58,079.16 and 11,017.44

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Solution

The fourth proportional to 38,719.44, 58,079.16 and 11,017.44 is: 16,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.44 : 58,079.16 = 11,017.44 : x
  2. Step 2: Convert to fraction form
    38,719.44/58,079.16 = 11,017.44/x
  3. Step 3: Cross multiply
    38,719.44x = 58,079.16 × 11,017.44
  4. Step 4: Simplify right side
    38,719.44x = 639,883,660.55
  5. Step 5: Solve for x
    x = 639,883,660.55/38,719.44
  6. Step 6: Final answer
    x = 16,526.16

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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.