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Finding the Fourth Proportional to 7,888.62, 11,828.73 and 2,341.20

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Solution

The fourth proportional to 7,888.62, 11,828.73 and 2,341.20 is: 3,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.62 : 11,828.73 = 2,341.20 : x
  2. Step 2: Convert to fraction form
    7,888.62/11,828.73 = 2,341.20/x
  3. Step 3: Cross multiply
    7,888.62x = 11,828.73 × 2,341.20
  4. Step 4: Simplify right side
    7,888.62x = 27,693,422.68
  5. Step 5: Solve for x
    x = 27,693,422.68/7,888.62
  6. Step 6: Final answer
    x = 3,510.55

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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.