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Finding the Fourth Proportional to 17,599.84, 26,399.76 and 7,211.68

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Solution

The fourth proportional to 17,599.84, 26,399.76 and 7,211.68 is: 10,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,599.84 : 26,399.76 = 7,211.68 : x
  2. Step 2: Convert to fraction form
    17,599.84/26,399.76 = 7,211.68/x
  3. Step 3: Cross multiply
    17,599.84x = 26,399.76 × 7,211.68
  4. Step 4: Simplify right side
    17,599.84x = 190,386,621.20
  5. Step 5: Solve for x
    x = 190,386,621.20/17,599.84
  6. Step 6: Final answer
    x = 10,817.52

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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.