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Finding the Fourth Proportional to 60,433.94, 90,804 and 38,257.76

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Solution

The fourth proportional to 60,433.94, 90,804 and 38,257.76 is: 57,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,433.94 : 90,804 = 38,257.76 : x
  2. Step 2: Convert to fraction form
    60,433.94/90,804 = 38,257.76/x
  3. Step 3: Cross multiply
    60,433.94x = 90,804 × 38,257.76
  4. Step 4: Simplify right side
    60,433.94x = 3,473,957,639.04
  5. Step 5: Solve for x
    x = 3,473,957,639.04/60,433.94
  6. Step 6: Final answer
    x = 57,483.55

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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.