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Finding the Fourth Proportional to 4,803.10, 7,204.65 and 2,948.20

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Solution

The fourth proportional to 4,803.10, 7,204.65 and 2,948.20 is: 4,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.10 : 7,204.65 = 2,948.20 : x
  2. Step 2: Convert to fraction form
    4,803.10/7,204.65 = 2,948.20/x
  3. Step 3: Cross multiply
    4,803.10x = 7,204.65 × 2,948.20
  4. Step 4: Simplify right side
    4,803.10x = 21,240,749.13
  5. Step 5: Solve for x
    x = 21,240,749.13/4,803.10
  6. Step 6: Final answer
    x = 4,422.30

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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.