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Finding the Fourth Proportional to 7,392.55, 11,088.82 and 4,932.17

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Solution

The fourth proportional to 7,392.55, 11,088.82 and 4,932.17 is: 7,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.55 : 11,088.82 = 4,932.17 : x
  2. Step 2: Convert to fraction form
    7,392.55/11,088.82 = 4,932.17/x
  3. Step 3: Cross multiply
    7,392.55x = 11,088.82 × 4,932.17
  4. Step 4: Simplify right side
    7,392.55x = 54,691,945.34
  5. Step 5: Solve for x
    x = 54,691,945.34/7,392.55
  6. Step 6: Final answer
    x = 7,398.25

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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.