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Finding the Fourth Proportional to 5,787.06, 8,681.55 and 2,709.06

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Solution

The fourth proportional to 5,787.06, 8,681.55 and 2,709.06 is: 4,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.06 : 8,681.55 = 2,709.06 : x
  2. Step 2: Convert to fraction form
    5,787.06/8,681.55 = 2,709.06/x
  3. Step 3: Cross multiply
    5,787.06x = 8,681.55 × 2,709.06
  4. Step 4: Simplify right side
    5,787.06x = 23,518,839.84
  5. Step 5: Solve for x
    x = 23,518,839.84/5,787.06
  6. Step 6: Final answer
    x = 4,064.04

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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.