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Finding the Fourth Proportional to 5,728.40, 8,595.22 and 3,393.02

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Solution

The fourth proportional to 5,728.40, 8,595.22 and 3,393.02 is: 5,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.40 : 8,595.22 = 3,393.02 : x
  2. Step 2: Convert to fraction form
    5,728.40/8,595.22 = 3,393.02/x
  3. Step 3: Cross multiply
    5,728.40x = 8,595.22 × 3,393.02
  4. Step 4: Simplify right side
    5,728.40x = 29,163,753.36
  5. Step 5: Solve for x
    x = 29,163,753.36/5,728.40
  6. Step 6: Final answer
    x = 5,091.08

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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.