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Finding the Fourth Proportional to 7,884.75, 10,881.23 and 4,528.17

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Solution

The fourth proportional to 7,884.75, 10,881.23 and 4,528.17 is: 6,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.75 : 10,881.23 = 4,528.17 : x
  2. Step 2: Convert to fraction form
    7,884.75/10,881.23 = 4,528.17/x
  3. Step 3: Cross multiply
    7,884.75x = 10,881.23 × 4,528.17
  4. Step 4: Simplify right side
    7,884.75x = 49,272,036.61
  5. Step 5: Solve for x
    x = 49,272,036.61/7,884.75
  6. Step 6: Final answer
    x = 6,249.03

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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.