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Finding the Fourth Proportional to 8,337.30, 11,505.65 and 4,982.04

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Solution

The fourth proportional to 8,337.30, 11,505.65 and 4,982.04 is: 6,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.30 : 11,505.65 = 4,982.04 : x
  2. Step 2: Convert to fraction form
    8,337.30/11,505.65 = 4,982.04/x
  3. Step 3: Cross multiply
    8,337.30x = 11,505.65 × 4,982.04
  4. Step 4: Simplify right side
    8,337.30x = 57,321,583.62
  5. Step 5: Solve for x
    x = 57,321,583.62/8,337.30
  6. Step 6: Final answer
    x = 6,875.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.