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Finding the Fourth Proportional to 61,930.76, 85,466.46 and 35,072.68

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Solution

The fourth proportional to 61,930.76, 85,466.46 and 35,072.68 is: 48,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.76 : 85,466.46 = 35,072.68 : x
  2. Step 2: Convert to fraction form
    61,930.76/85,466.46 = 35,072.68/x
  3. Step 3: Cross multiply
    61,930.76x = 85,466.46 × 35,072.68
  4. Step 4: Simplify right side
    61,930.76x = 2,997,537,802.31
  5. Step 5: Solve for x
    x = 2,997,537,802.31/61,930.76
  6. Step 6: Final answer
    x = 48,401.44

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1.5x scale

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.