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Finding the Fourth Proportional to 50,737.01, 70,020.58 and 28,076.95

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Solution

The fourth proportional to 50,737.01, 70,020.58 and 28,076.95 is: 38,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,737.01 : 70,020.58 = 28,076.95 : x
  2. Step 2: Convert to fraction form
    50,737.01/70,020.58 = 28,076.95/x
  3. Step 3: Cross multiply
    50,737.01x = 70,020.58 × 28,076.95
  4. Step 4: Simplify right side
    50,737.01x = 1,965,964,323.63
  5. Step 5: Solve for x
    x = 1,965,964,323.63/50,737.01
  6. Step 6: Final answer
    x = 38,748.13

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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.