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Finding the Fourth Proportional to 7,255.64, 10,883.46 and 3,359

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Solution

The fourth proportional to 7,255.64, 10,883.46 and 3,359 is: 5,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.64 : 10,883.46 = 3,359 : x
  2. Step 2: Convert to fraction form
    7,255.64/10,883.46 = 3,359/x
  3. Step 3: Cross multiply
    7,255.64x = 10,883.46 × 3,359
  4. Step 4: Simplify right side
    7,255.64x = 36,557,542.14
  5. Step 5: Solve for x
    x = 36,557,542.14/7,255.64
  6. Step 6: Final answer
    x = 5,038.50

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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.