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Finding the Fourth Proportional to 49,777.67, 68,693.16 and 27,421.67

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Solution

The fourth proportional to 49,777.67, 68,693.16 and 27,421.67 is: 37,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.67 : 68,693.16 = 27,421.67 : x
  2. Step 2: Convert to fraction form
    49,777.67/68,693.16 = 27,421.67/x
  3. Step 3: Cross multiply
    49,777.67x = 68,693.16 × 27,421.67
  4. Step 4: Simplify right side
    49,777.67x = 1,883,681,465.31
  5. Step 5: Solve for x
    x = 1,883,681,465.31/49,777.67
  6. Step 6: Final answer
    x = 37,841.89

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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.