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Finding the Fourth Proportional to 9,239.54, 12,750.53 and 5,047.79

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Solution

The fourth proportional to 9,239.54, 12,750.53 and 5,047.79 is: 6,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.54 : 12,750.53 = 5,047.79 : x
  2. Step 2: Convert to fraction form
    9,239.54/12,750.53 = 5,047.79/x
  3. Step 3: Cross multiply
    9,239.54x = 12,750.53 × 5,047.79
  4. Step 4: Simplify right side
    9,239.54x = 64,361,908.84
  5. Step 5: Solve for x
    x = 64,361,908.84/9,239.54
  6. Step 6: Final answer
    x = 6,965.93

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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.