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Finding the Fourth Proportional to 17,068.57, 25,602.86 and 5,382.70

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Solution

The fourth proportional to 17,068.57, 25,602.86 and 5,382.70 is: 8,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.57 : 25,602.86 = 5,382.70 : x
  2. Step 2: Convert to fraction form
    17,068.57/25,602.86 = 5,382.70/x
  3. Step 3: Cross multiply
    17,068.57x = 25,602.86 × 5,382.70
  4. Step 4: Simplify right side
    17,068.57x = 137,812,592.85
  5. Step 5: Solve for x
    x = 137,812,592.85/17,068.57
  6. Step 6: Final answer
    x = 8,074.05

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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.