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Finding the Fourth Proportional to 6,711.61, 10,068.99 and 6,600.04

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Solution

The fourth proportional to 6,711.61, 10,068.99 and 6,600.04 is: 9,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.61 : 10,068.99 = 6,600.04 : x
  2. Step 2: Convert to fraction form
    6,711.61/10,068.99 = 6,600.04/x
  3. Step 3: Cross multiply
    6,711.61x = 10,068.99 × 6,600.04
  4. Step 4: Simplify right side
    6,711.61x = 66,455,736.76
  5. Step 5: Solve for x
    x = 66,455,736.76/6,711.61
  6. Step 6: Final answer
    x = 9,901.61

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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.