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Finding the Fourth Proportional to 9,484.80, 13,092.72 and 6,339.84

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Solution

The fourth proportional to 9,484.80, 13,092.72 and 6,339.84 is: 8,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,484.80 : 13,092.72 = 6,339.84 : x
  2. Step 2: Convert to fraction form
    9,484.80/13,092.72 = 6,339.84/x
  3. Step 3: Cross multiply
    9,484.80x = 13,092.72 × 6,339.84
  4. Step 4: Simplify right side
    9,484.80x = 83,005,749.96
  5. Step 5: Solve for x
    x = 83,005,749.96/9,484.80
  6. Step 6: Final answer
    x = 8,751.45

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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.