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Finding the Fourth Proportional to 47,777.88, 65,935.71 and 26,557.50

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Solution

The fourth proportional to 47,777.88, 65,935.71 and 26,557.50 is: 36,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.88 : 65,935.71 = 26,557.50 : x
  2. Step 2: Convert to fraction form
    47,777.88/65,935.71 = 26,557.50/x
  3. Step 3: Cross multiply
    47,777.88x = 65,935.71 × 26,557.50
  4. Step 4: Simplify right side
    47,777.88x = 1,751,087,618.33
  5. Step 5: Solve for x
    x = 1,751,087,618.33/47,777.88
  6. Step 6: Final answer
    x = 36,650.59

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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.