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Finding the Fourth Proportional to 7,552.70, 11,330.88 and 3,167.72

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Solution

The fourth proportional to 7,552.70, 11,330.88 and 3,167.72 is: 4,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.70 : 11,330.88 = 3,167.72 : x
  2. Step 2: Convert to fraction form
    7,552.70/11,330.88 = 3,167.72/x
  3. Step 3: Cross multiply
    7,552.70x = 11,330.88 × 3,167.72
  4. Step 4: Simplify right side
    7,552.70x = 35,893,055.19
  5. Step 5: Solve for x
    x = 35,893,055.19/7,552.70
  6. Step 6: Final answer
    x = 4,752.35

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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.