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Finding the Fourth Proportional to 8,851.92, 12,215.73 and 4,873.11

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Solution

The fourth proportional to 8,851.92, 12,215.73 and 4,873.11 is: 6,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.92 : 12,215.73 = 4,873.11 : x
  2. Step 2: Convert to fraction form
    8,851.92/12,215.73 = 4,873.11/x
  3. Step 3: Cross multiply
    8,851.92x = 12,215.73 × 4,873.11
  4. Step 4: Simplify right side
    8,851.92x = 59,528,596.02
  5. Step 5: Solve for x
    x = 59,528,596.02/8,851.92
  6. Step 6: Final answer
    x = 6,724.94

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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.