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Finding the Fourth Proportional to 69,866.55, 96,418.04 and 38,037.51

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Solution

The fourth proportional to 69,866.55, 96,418.04 and 38,037.51 is: 52,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,866.55 : 96,418.04 = 38,037.51 : x
  2. Step 2: Convert to fraction form
    69,866.55/96,418.04 = 38,037.51/x
  3. Step 3: Cross multiply
    69,866.55x = 96,418.04 × 38,037.51
  4. Step 4: Simplify right side
    69,866.55x = 3,667,501,970.49
  5. Step 5: Solve for x
    x = 3,667,501,970.49/69,866.55
  6. Step 6: Final answer
    x = 52,492.96

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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.