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Finding the Fourth Proportional to 50,915.52, 75,803.04 and 50,669.28

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Solution

The fourth proportional to 50,915.52, 75,803.04 and 50,669.28 is: 75,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.52 : 75,803.04 = 50,669.28 : x
  2. Step 2: Convert to fraction form
    50,915.52/75,803.04 = 50,669.28/x
  3. Step 3: Cross multiply
    50,915.52x = 75,803.04 × 50,669.28
  4. Step 4: Simplify right side
    50,915.52x = 3,840,885,458.61
  5. Step 5: Solve for x
    x = 3,840,885,458.61/50,915.52
  6. Step 6: Final answer
    x = 75,436.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.