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Finding the Fourth Proportional to 3,347.36, 4,620 and 1,950.32

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Solution

The fourth proportional to 3,347.36, 4,620 and 1,950.32 is: 2,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.36 : 4,620 = 1,950.32 : x
  2. Step 2: Convert to fraction form
    3,347.36/4,620 = 1,950.32/x
  3. Step 3: Cross multiply
    3,347.36x = 4,620 × 1,950.32
  4. Step 4: Simplify right side
    3,347.36x = 9,010,478.40
  5. Step 5: Solve for x
    x = 9,010,478.40/3,347.36
  6. Step 6: Final answer
    x = 2,691.82

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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.