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Finding the Fourth Proportional to 51,791.95, 77,670.91 and 16,253.20

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Solution

The fourth proportional to 51,791.95, 77,670.91 and 16,253.20 is: 24,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.95 : 77,670.91 = 16,253.20 : x
  2. Step 2: Convert to fraction form
    51,791.95/77,670.91 = 16,253.20/x
  3. Step 3: Cross multiply
    51,791.95x = 77,670.91 × 16,253.20
  4. Step 4: Simplify right side
    51,791.95x = 1,262,400,834.41
  5. Step 5: Solve for x
    x = 1,262,400,834.41/51,791.95
  6. Step 6: Final answer
    x = 24,374.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.