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Finding the Fourth Proportional to 61,466.67, 84,830.36 and 37,609.20

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Solution

The fourth proportional to 61,466.67, 84,830.36 and 37,609.20 is: 51,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,466.67 : 84,830.36 = 37,609.20 : x
  2. Step 2: Convert to fraction form
    61,466.67/84,830.36 = 37,609.20/x
  3. Step 3: Cross multiply
    61,466.67x = 84,830.36 × 37,609.20
  4. Step 4: Simplify right side
    61,466.67x = 3,190,401,787.27
  5. Step 5: Solve for x
    x = 3,190,401,787.27/61,466.67
  6. Step 6: Final answer
    x = 51,904.58

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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.