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Finding the Fourth Proportional to 9,959.52, 14,944.32 and 4,120.32

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Solution

The fourth proportional to 9,959.52, 14,944.32 and 4,120.32 is: 6,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.52 : 14,944.32 = 4,120.32 : x
  2. Step 2: Convert to fraction form
    9,959.52/14,944.32 = 4,120.32/x
  3. Step 3: Cross multiply
    9,959.52x = 14,944.32 × 4,120.32
  4. Step 4: Simplify right side
    9,959.52x = 61,575,380.58
  5. Step 5: Solve for x
    x = 61,575,380.58/9,959.52
  6. Step 6: Final answer
    x = 6,182.57

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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.