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Finding the Fourth Proportional to 5,851.92, 8,776.05 and 1,955.42

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Solution

The fourth proportional to 5,851.92, 8,776.05 and 1,955.42 is: 2,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.92 : 8,776.05 = 1,955.42 : x
  2. Step 2: Convert to fraction form
    5,851.92/8,776.05 = 1,955.42/x
  3. Step 3: Cross multiply
    5,851.92x = 8,776.05 × 1,955.42
  4. Step 4: Simplify right side
    5,851.92x = 17,160,827.14
  5. Step 5: Solve for x
    x = 17,160,827.14/5,851.92
  6. Step 6: Final answer
    x = 2,932.51

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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.