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Finding the Fourth Proportional to 4,347.06, 6,513.14 and 2,919.62

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Solution

The fourth proportional to 4,347.06, 6,513.14 and 2,919.62 is: 4,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.06 : 6,513.14 = 2,919.62 : x
  2. Step 2: Convert to fraction form
    4,347.06/6,513.14 = 2,919.62/x
  3. Step 3: Cross multiply
    4,347.06x = 6,513.14 × 2,919.62
  4. Step 4: Simplify right side
    4,347.06x = 19,015,895.49
  5. Step 5: Solve for x
    x = 19,015,895.49/4,347.06
  6. Step 6: Final answer
    x = 4,374.43

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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.