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Finding the Fourth Proportional to 49,777.71, 68,693.22 and 27,421.71

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Solution

The fourth proportional to 49,777.71, 68,693.22 and 27,421.71 is: 37,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.71 : 68,693.22 = 27,421.71 : x
  2. Step 2: Convert to fraction form
    49,777.71/68,693.22 = 27,421.71/x
  3. Step 3: Cross multiply
    49,777.71x = 68,693.22 × 27,421.71
  4. Step 4: Simplify right side
    49,777.71x = 1,883,685,557.81
  5. Step 5: Solve for x
    x = 1,883,685,557.81/49,777.71
  6. Step 6: Final answer
    x = 37,841.95

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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.