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Finding the Fourth Proportional to 5,862.93, 8,785.14 and 2,160.06

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Solution

The fourth proportional to 5,862.93, 8,785.14 and 2,160.06 is: 3,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.93 : 8,785.14 = 2,160.06 : x
  2. Step 2: Convert to fraction form
    5,862.93/8,785.14 = 2,160.06/x
  3. Step 3: Cross multiply
    5,862.93x = 8,785.14 × 2,160.06
  4. Step 4: Simplify right side
    5,862.93x = 18,976,429.51
  5. Step 5: Solve for x
    x = 18,976,429.51/5,862.93
  6. Step 6: Final answer
    x = 3,236.68

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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.