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Finding the Fourth Proportional to 67,651.56, 93,357.76 and 37,436.87

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Solution

The fourth proportional to 67,651.56, 93,357.76 and 37,436.87 is: 51,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,651.56 : 93,357.76 = 37,436.87 : x
  2. Step 2: Convert to fraction form
    67,651.56/93,357.76 = 37,436.87/x
  3. Step 3: Cross multiply
    67,651.56x = 93,357.76 × 37,436.87
  4. Step 4: Simplify right side
    67,651.56x = 3,495,021,670.64
  5. Step 5: Solve for x
    x = 3,495,021,670.64/67,651.56
  6. Step 6: Final answer
    x = 51,662.10

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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.