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Finding the Fourth Proportional to 50,954.91, 75,915.81 and 48,445.40

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Solution

The fourth proportional to 50,954.91, 75,915.81 and 48,445.40 is: 72,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,954.91 : 75,915.81 = 48,445.40 : x
  2. Step 2: Convert to fraction form
    50,954.91/75,915.81 = 48,445.40/x
  3. Step 3: Cross multiply
    50,954.91x = 75,915.81 × 48,445.40
  4. Step 4: Simplify right side
    50,954.91x = 3,677,771,781.77
  5. Step 5: Solve for x
    x = 3,677,771,781.77/50,954.91
  6. Step 6: Final answer
    x = 72,176.99

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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.