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Finding the Fourth Proportional to 5,540.54, 8,303.04 and 4,715.55

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Solution

The fourth proportional to 5,540.54, 8,303.04 and 4,715.55 is: 7,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.54 : 8,303.04 = 4,715.55 : x
  2. Step 2: Convert to fraction form
    5,540.54/8,303.04 = 4,715.55/x
  3. Step 3: Cross multiply
    5,540.54x = 8,303.04 × 4,715.55
  4. Step 4: Simplify right side
    5,540.54x = 39,153,400.27
  5. Step 5: Solve for x
    x = 39,153,400.27/5,540.54
  6. Step 6: Final answer
    x = 7,066.72

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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.