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Finding the Fourth Proportional to 7,017, 10,521.98 and 2,335.36

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Solution

The fourth proportional to 7,017, 10,521.98 and 2,335.36 is: 3,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017 : 10,521.98 = 2,335.36 : x
  2. Step 2: Convert to fraction form
    7,017/10,521.98 = 2,335.36/x
  3. Step 3: Cross multiply
    7,017x = 10,521.98 × 2,335.36
  4. Step 4: Simplify right side
    7,017x = 24,572,546.93
  5. Step 5: Solve for x
    x = 24,572,546.93/7,017
  6. Step 6: Final answer
    x = 3,501.86

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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.