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Finding the Fourth Proportional to 9,179.16, 13,751.04 and 5,484.34

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Solution

The fourth proportional to 9,179.16, 13,751.04 and 5,484.34 is: 8,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.16 : 13,751.04 = 5,484.34 : x
  2. Step 2: Convert to fraction form
    9,179.16/13,751.04 = 5,484.34/x
  3. Step 3: Cross multiply
    9,179.16x = 13,751.04 × 5,484.34
  4. Step 4: Simplify right side
    9,179.16x = 75,415,378.71
  5. Step 5: Solve for x
    x = 75,415,378.71/9,179.16
  6. Step 6: Final answer
    x = 8,215.93

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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.