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Finding the Fourth Proportional to 5,337.20, 8,005.80 and 5,094.20

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Solution

The fourth proportional to 5,337.20, 8,005.80 and 5,094.20 is: 7,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.20 : 8,005.80 = 5,094.20 : x
  2. Step 2: Convert to fraction form
    5,337.20/8,005.80 = 5,094.20/x
  3. Step 3: Cross multiply
    5,337.20x = 8,005.80 × 5,094.20
  4. Step 4: Simplify right side
    5,337.20x = 40,783,146.36
  5. Step 5: Solve for x
    x = 40,783,146.36/5,337.20
  6. Step 6: Final answer
    x = 7,641.30

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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.