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Finding the Fourth Proportional to 60,197.41, 90,297 and 28,610.70

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Solution

The fourth proportional to 60,197.41, 90,297 and 28,610.70 is: 42,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,197.41 : 90,297 = 28,610.70 : x
  2. Step 2: Convert to fraction form
    60,197.41/90,297 = 28,610.70/x
  3. Step 3: Cross multiply
    60,197.41x = 90,297 × 28,610.70
  4. Step 4: Simplify right side
    60,197.41x = 2,583,460,377.90
  5. Step 5: Solve for x
    x = 2,583,460,377.90/60,197.41
  6. Step 6: Final answer
    x = 42,916.47

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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.