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Finding the Fourth Proportional to 8,599.68, 11,870.16 and 7,433.28

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Solution

The fourth proportional to 8,599.68, 11,870.16 and 7,433.28 is: 10,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.68 : 11,870.16 = 7,433.28 : x
  2. Step 2: Convert to fraction form
    8,599.68/11,870.16 = 7,433.28/x
  3. Step 3: Cross multiply
    8,599.68x = 11,870.16 × 7,433.28
  4. Step 4: Simplify right side
    8,599.68x = 88,234,222.92
  5. Step 5: Solve for x
    x = 88,234,222.92/8,599.68
  6. Step 6: Final answer
    x = 10,260.18

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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.