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Finding the Fourth Proportional to 3,368.99, 4,649.21 and 1,952.95

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Solution

The fourth proportional to 3,368.99, 4,649.21 and 1,952.95 is: 2,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.99 : 4,649.21 = 1,952.95 : x
  2. Step 2: Convert to fraction form
    3,368.99/4,649.21 = 1,952.95/x
  3. Step 3: Cross multiply
    3,368.99x = 4,649.21 × 1,952.95
  4. Step 4: Simplify right side
    3,368.99x = 9,079,674.67
  5. Step 5: Solve for x
    x = 9,079,674.67/3,368.99
  6. Step 6: Final answer
    x = 2,695.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.