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Finding the Fourth Proportional to 4,937.60, 7,407.22 and 1,976.10

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Solution

The fourth proportional to 4,937.60, 7,407.22 and 1,976.10 is: 2,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.60 : 7,407.22 = 1,976.10 : x
  2. Step 2: Convert to fraction form
    4,937.60/7,407.22 = 1,976.10/x
  3. Step 3: Cross multiply
    4,937.60x = 7,407.22 × 1,976.10
  4. Step 4: Simplify right side
    4,937.60x = 14,637,407.44
  5. Step 5: Solve for x
    x = 14,637,407.44/4,937.60
  6. Step 6: Final answer
    x = 2,964.48

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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.