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Finding the Fourth Proportional to 9,004.80, 12,427.80 and 5,026.74

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Solution

The fourth proportional to 9,004.80, 12,427.80 and 5,026.74 is: 6,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.80 : 12,427.80 = 5,026.74 : x
  2. Step 2: Convert to fraction form
    9,004.80/12,427.80 = 5,026.74/x
  3. Step 3: Cross multiply
    9,004.80x = 12,427.80 × 5,026.74
  4. Step 4: Simplify right side
    9,004.80x = 62,471,366.24
  5. Step 5: Solve for x
    x = 62,471,366.24/9,004.80
  6. Step 6: Final answer
    x = 6,937.56

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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.