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Finding the Fourth Proportional to 45,820.98, 63,232.84 and 27,915.98

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Solution

The fourth proportional to 45,820.98, 63,232.84 and 27,915.98 is: 38,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.98 : 63,232.84 = 27,915.98 : x
  2. Step 2: Convert to fraction form
    45,820.98/63,232.84 = 27,915.98/x
  3. Step 3: Cross multiply
    45,820.98x = 63,232.84 × 27,915.98
  4. Step 4: Simplify right side
    45,820.98x = 1,765,206,696.78
  5. Step 5: Solve for x
    x = 1,765,206,696.78/45,820.98
  6. Step 6: Final answer
    x = 38,523.98

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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.