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Finding the Fourth Proportional to 2,699.19, 3,700.59 and 2,649.98

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Solution

The fourth proportional to 2,699.19, 3,700.59 and 2,649.98 is: 3,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.19 : 3,700.59 = 2,649.98 : x
  2. Step 2: Convert to fraction form
    2,699.19/3,700.59 = 2,649.98/x
  3. Step 3: Cross multiply
    2,699.19x = 3,700.59 × 2,649.98
  4. Step 4: Simplify right side
    2,699.19x = 9,806,488.80
  5. Step 5: Solve for x
    x = 9,806,488.80/2,699.19
  6. Step 6: Final answer
    x = 3,633.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.