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Finding the Fourth Proportional to 10,604.32, 14,634.48 and 7,947.52

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Solution

The fourth proportional to 10,604.32, 14,634.48 and 7,947.52 is: 10,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.32 : 14,634.48 = 7,947.52 : x
  2. Step 2: Convert to fraction form
    10,604.32/14,634.48 = 7,947.52/x
  3. Step 3: Cross multiply
    10,604.32x = 14,634.48 × 7,947.52
  4. Step 4: Simplify right side
    10,604.32x = 116,307,822.49
  5. Step 5: Solve for x
    x = 116,307,822.49/10,604.32
  6. Step 6: Final answer
    x = 10,967.97

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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.