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Finding the Fourth Proportional to 4,805.70, 6,625.90 and 4,010.20

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Solution

The fourth proportional to 4,805.70, 6,625.90 and 4,010.20 is: 5,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.70 : 6,625.90 = 4,010.20 : x
  2. Step 2: Convert to fraction form
    4,805.70/6,625.90 = 4,010.20/x
  3. Step 3: Cross multiply
    4,805.70x = 6,625.90 × 4,010.20
  4. Step 4: Simplify right side
    4,805.70x = 26,571,184.18
  5. Step 5: Solve for x
    x = 26,571,184.18/4,805.70
  6. Step 6: Final answer
    x = 5,529.10

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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.