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Finding the Fourth Proportional to 9,461.92, 13,059.12 and 5,928.16

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Solution

The fourth proportional to 9,461.92, 13,059.12 and 5,928.16 is: 8,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.92 : 13,059.12 = 5,928.16 : x
  2. Step 2: Convert to fraction form
    9,461.92/13,059.12 = 5,928.16/x
  3. Step 3: Cross multiply
    9,461.92x = 13,059.12 × 5,928.16
  4. Step 4: Simplify right side
    9,461.92x = 77,416,552.82
  5. Step 5: Solve for x
    x = 77,416,552.82/9,461.92
  6. Step 6: Final answer
    x = 8,181.91

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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.