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Finding the Fourth Proportional to 5,588.41, 8,383.98 and 3,948.16

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Solution

The fourth proportional to 5,588.41, 8,383.98 and 3,948.16 is: 5,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.41 : 8,383.98 = 3,948.16 : x
  2. Step 2: Convert to fraction form
    5,588.41/8,383.98 = 3,948.16/x
  3. Step 3: Cross multiply
    5,588.41x = 8,383.98 × 3,948.16
  4. Step 4: Simplify right side
    5,588.41x = 33,101,294.48
  5. Step 5: Solve for x
    x = 33,101,294.48/5,588.41
  6. Step 6: Final answer
    x = 5,923.20

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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.