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Finding the Fourth Proportional to 7,337.81, 11,000.23 and 3,587.63

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Solution

The fourth proportional to 7,337.81, 11,000.23 and 3,587.63 is: 5,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.81 : 11,000.23 = 3,587.63 : x
  2. Step 2: Convert to fraction form
    7,337.81/11,000.23 = 3,587.63/x
  3. Step 3: Cross multiply
    7,337.81x = 11,000.23 × 3,587.63
  4. Step 4: Simplify right side
    7,337.81x = 39,464,691.18
  5. Step 5: Solve for x
    x = 39,464,691.18/7,337.81
  6. Step 6: Final answer
    x = 5,378.26

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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.