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Finding the Fourth Proportional to 10,715.78, 14,787.83 and 6,000.06

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Solution

The fourth proportional to 10,715.78, 14,787.83 and 6,000.06 is: 8,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.78 : 14,787.83 = 6,000.06 : x
  2. Step 2: Convert to fraction form
    10,715.78/14,787.83 = 6,000.06/x
  3. Step 3: Cross multiply
    10,715.78x = 14,787.83 × 6,000.06
  4. Step 4: Simplify right side
    10,715.78x = 88,727,867.27
  5. Step 5: Solve for x
    x = 88,727,867.27/10,715.78
  6. Step 6: Final answer
    x = 8,280.11

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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.