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Finding the Fourth Proportional to 7,956.25, 10,981.23 and 4,599.20

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Solution

The fourth proportional to 7,956.25, 10,981.23 and 4,599.20 is: 6,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.25 : 10,981.23 = 4,599.20 : x
  2. Step 2: Convert to fraction form
    7,956.25/10,981.23 = 4,599.20/x
  3. Step 3: Cross multiply
    7,956.25x = 10,981.23 × 4,599.20
  4. Step 4: Simplify right side
    7,956.25x = 50,504,873.02
  5. Step 5: Solve for x
    x = 50,504,873.02/7,956.25
  6. Step 6: Final answer
    x = 6,347.82

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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.