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Finding the Fourth Proportional to 61,532.69, 84,915.14 and 33,238.38

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Solution

The fourth proportional to 61,532.69, 84,915.14 and 33,238.38 is: 45,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,532.69 : 84,915.14 = 33,238.38 : x
  2. Step 2: Convert to fraction form
    61,532.69/84,915.14 = 33,238.38/x
  3. Step 3: Cross multiply
    61,532.69x = 84,915.14 × 33,238.38
  4. Step 4: Simplify right side
    61,532.69x = 2,822,441,691.07
  5. Step 5: Solve for x
    x = 2,822,441,691.07/61,532.69
  6. Step 6: Final answer
    x = 45,868.98

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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.