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Finding the Fourth Proportional to 71,627.31, 98,803.23 and 48,954.80

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Solution

The fourth proportional to 71,627.31, 98,803.23 and 48,954.80 is: 67,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,627.31 : 98,803.23 = 48,954.80 : x
  2. Step 2: Convert to fraction form
    71,627.31/98,803.23 = 48,954.80/x
  3. Step 3: Cross multiply
    71,627.31x = 98,803.23 × 48,954.80
  4. Step 4: Simplify right side
    71,627.31x = 4,836,891,869.99
  5. Step 5: Solve for x
    x = 4,836,891,869.99/71,627.31
  6. Step 6: Final answer
    x = 67,528.60

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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.