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Finding the Fourth Proportional to 67,866.42, 93,655.50 and 37,656.36

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Solution

The fourth proportional to 67,866.42, 93,655.50 and 37,656.36 is: 51,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,866.42 : 93,655.50 = 37,656.36 : x
  2. Step 2: Convert to fraction form
    67,866.42/93,655.50 = 37,656.36/x
  3. Step 3: Cross multiply
    67,866.42x = 93,655.50 × 37,656.36
  4. Step 4: Simplify right side
    67,866.42x = 3,526,725,223.98
  5. Step 5: Solve for x
    x = 3,526,725,223.98/67,866.42
  6. Step 6: Final answer
    x = 51,965.69

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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.