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Finding the Fourth Proportional to 50,557.76, 69,774.12 and 27,898.88

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Solution

The fourth proportional to 50,557.76, 69,774.12 and 27,898.88 is: 38,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,557.76 : 69,774.12 = 27,898.88 : x
  2. Step 2: Convert to fraction form
    50,557.76/69,774.12 = 27,898.88/x
  3. Step 3: Cross multiply
    50,557.76x = 69,774.12 × 27,898.88
  4. Step 4: Simplify right side
    50,557.76x = 1,946,619,800.99
  5. Step 5: Solve for x
    x = 1,946,619,800.99/50,557.76
  6. Step 6: Final answer
    x = 38,502.89

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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.