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Finding the Fourth Proportional to 7,787.06, 11,651.34 and 7,365.04

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Solution

The fourth proportional to 7,787.06, 11,651.34 and 7,365.04 is: 11,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.06 : 11,651.34 = 7,365.04 : x
  2. Step 2: Convert to fraction form
    7,787.06/11,651.34 = 7,365.04/x
  3. Step 3: Cross multiply
    7,787.06x = 11,651.34 × 7,365.04
  4. Step 4: Simplify right side
    7,787.06x = 85,812,585.15
  5. Step 5: Solve for x
    x = 85,812,585.15/7,787.06
  6. Step 6: Final answer
    x = 11,019.90

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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.