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Finding the Fourth Proportional to 67,774.50, 93,532.14 and 40,916.52

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Solution

The fourth proportional to 67,774.50, 93,532.14 and 40,916.52 is: 56,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,774.50 : 93,532.14 = 40,916.52 : x
  2. Step 2: Convert to fraction form
    67,774.50/93,532.14 = 40,916.52/x
  3. Step 3: Cross multiply
    67,774.50x = 93,532.14 × 40,916.52
  4. Step 4: Simplify right side
    67,774.50x = 3,827,009,676.95
  5. Step 5: Solve for x
    x = 3,827,009,676.95/67,774.50
  6. Step 6: Final answer
    x = 56,466.81

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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.