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Finding the Fourth Proportional to 4,590.95, 6,886.42 and 2,943.41

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Solution

The fourth proportional to 4,590.95, 6,886.42 and 2,943.41 is: 4,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.95 : 6,886.42 = 2,943.41 : x
  2. Step 2: Convert to fraction form
    4,590.95/6,886.42 = 2,943.41/x
  3. Step 3: Cross multiply
    4,590.95x = 6,886.42 × 2,943.41
  4. Step 4: Simplify right side
    4,590.95x = 20,269,515.70
  5. Step 5: Solve for x
    x = 20,269,515.70/4,590.95
  6. Step 6: Final answer
    x = 4,415.11

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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.