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Finding the Fourth Proportional to 3,604.76, 4,977.41 and 2,948.66

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Solution

The fourth proportional to 3,604.76, 4,977.41 and 2,948.66 is: 4,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.76 : 4,977.41 = 2,948.66 : x
  2. Step 2: Convert to fraction form
    3,604.76/4,977.41 = 2,948.66/x
  3. Step 3: Cross multiply
    3,604.76x = 4,977.41 × 2,948.66
  4. Step 4: Simplify right side
    3,604.76x = 14,676,650.14
  5. Step 5: Solve for x
    x = 14,676,650.14/3,604.76
  6. Step 6: Final answer
    x = 4,071.47

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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.