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Finding the Fourth Proportional to 9,133.64, 12,604.42 and 4,941.88

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Solution

The fourth proportional to 9,133.64, 12,604.42 and 4,941.88 is: 6,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.64 : 12,604.42 = 4,941.88 : x
  2. Step 2: Convert to fraction form
    9,133.64/12,604.42 = 4,941.88/x
  3. Step 3: Cross multiply
    9,133.64x = 12,604.42 × 4,941.88
  4. Step 4: Simplify right side
    9,133.64x = 62,289,531.11
  5. Step 5: Solve for x
    x = 62,289,531.11/9,133.64
  6. Step 6: Final answer
    x = 6,819.79

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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.