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Finding the Fourth Proportional to 50,599.78, 69,830.54 and 27,631.74

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Solution

The fourth proportional to 50,599.78, 69,830.54 and 27,631.74 is: 38,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,599.78 : 69,830.54 = 27,631.74 : x
  2. Step 2: Convert to fraction form
    50,599.78/69,830.54 = 27,631.74/x
  3. Step 3: Cross multiply
    50,599.78x = 69,830.54 × 27,631.74
  4. Step 4: Simplify right side
    50,599.78x = 1,929,538,980.73
  5. Step 5: Solve for x
    x = 1,929,538,980.73/50,599.78
  6. Step 6: Final answer
    x = 38,133.35

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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.