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Finding the Fourth Proportional to 6,632.88, 9,949.28 and 1,702.51

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Solution

The fourth proportional to 6,632.88, 9,949.28 and 1,702.51 is: 2,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.88 : 9,949.28 = 1,702.51 : x
  2. Step 2: Convert to fraction form
    6,632.88/9,949.28 = 1,702.51/x
  3. Step 3: Cross multiply
    6,632.88x = 9,949.28 × 1,702.51
  4. Step 4: Simplify right side
    6,632.88x = 16,938,748.69
  5. Step 5: Solve for x
    x = 16,938,748.69/6,632.88
  6. Step 6: Final answer
    x = 2,553.75

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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.