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Finding the Fourth Proportional to 33,915.30, 50,873.49 and 8,957.91

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Solution

The fourth proportional to 33,915.30, 50,873.49 and 8,957.91 is: 13,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.30 : 50,873.49 = 8,957.91 : x
  2. Step 2: Convert to fraction form
    33,915.30/50,873.49 = 8,957.91/x
  3. Step 3: Cross multiply
    33,915.30x = 50,873.49 × 8,957.91
  4. Step 4: Simplify right side
    33,915.30x = 455,720,144.81
  5. Step 5: Solve for x
    x = 455,720,144.81/33,915.30
  6. Step 6: Final answer
    x = 13,437.01

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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.