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Finding the Fourth Proportional to 8,653.80, 12,974.04 and 5,873.16

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Solution

The fourth proportional to 8,653.80, 12,974.04 and 5,873.16 is: 8,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.80 : 12,974.04 = 5,873.16 : x
  2. Step 2: Convert to fraction form
    8,653.80/12,974.04 = 5,873.16/x
  3. Step 3: Cross multiply
    8,653.80x = 12,974.04 × 5,873.16
  4. Step 4: Simplify right side
    8,653.80x = 76,198,612.77
  5. Step 5: Solve for x
    x = 76,198,612.77/8,653.80
  6. Step 6: Final answer
    x = 8,805.22

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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.