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Finding the Fourth Proportional to 22,497.74, 33,747.15 and 6,915.50

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Solution

The fourth proportional to 22,497.74, 33,747.15 and 6,915.50 is: 10,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.74 : 33,747.15 = 6,915.50 : x
  2. Step 2: Convert to fraction form
    22,497.74/33,747.15 = 6,915.50/x
  3. Step 3: Cross multiply
    22,497.74x = 33,747.15 × 6,915.50
  4. Step 4: Simplify right side
    22,497.74x = 233,378,415.83
  5. Step 5: Solve for x
    x = 233,378,415.83/22,497.74
  6. Step 6: Final answer
    x = 10,373.42

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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.