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Finding the Fourth Proportional to 7,860.92, 10,844.43 and 5,026.91

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Solution

The fourth proportional to 7,860.92, 10,844.43 and 5,026.91 is: 6,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.92 : 10,844.43 = 5,026.91 : x
  2. Step 2: Convert to fraction form
    7,860.92/10,844.43 = 5,026.91/x
  3. Step 3: Cross multiply
    7,860.92x = 10,844.43 × 5,026.91
  4. Step 4: Simplify right side
    7,860.92x = 54,513,973.61
  5. Step 5: Solve for x
    x = 54,513,973.61/7,860.92
  6. Step 6: Final answer
    x = 6,934.81

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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.