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Finding the Fourth Proportional to 7,883.33, 10,872.43 and 5,898.62

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Solution

The fourth proportional to 7,883.33, 10,872.43 and 5,898.62 is: 8,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.33 : 10,872.43 = 5,898.62 : x
  2. Step 2: Convert to fraction form
    7,883.33/10,872.43 = 5,898.62/x
  3. Step 3: Cross multiply
    7,883.33x = 10,872.43 × 5,898.62
  4. Step 4: Simplify right side
    7,883.33x = 64,132,345.48
  5. Step 5: Solve for x
    x = 64,132,345.48/7,883.33
  6. Step 6: Final answer
    x = 8,135.19

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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.