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Finding the Fourth Proportional to 61,749.50, 92,476.25 and 31,684.62

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Solution

The fourth proportional to 61,749.50, 92,476.25 and 31,684.62 is: 47,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,749.50 : 92,476.25 = 31,684.62 : x
  2. Step 2: Convert to fraction form
    61,749.50/92,476.25 = 31,684.62/x
  3. Step 3: Cross multiply
    61,749.50x = 92,476.25 × 31,684.62
  4. Step 4: Simplify right side
    61,749.50x = 2,930,074,840.28
  5. Step 5: Solve for x
    x = 2,930,074,840.28/61,749.50
  6. Step 6: Final answer
    x = 47,450.99

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1.5x scale

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.