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Finding the Fourth Proportional to 60,735.50, 90,916.34 and 39,630.14

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Solution

The fourth proportional to 60,735.50, 90,916.34 and 39,630.14 is: 59,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,735.50 : 90,916.34 = 39,630.14 : x
  2. Step 2: Convert to fraction form
    60,735.50/90,916.34 = 39,630.14/x
  3. Step 3: Cross multiply
    60,735.50x = 90,916.34 × 39,630.14
  4. Step 4: Simplify right side
    60,735.50x = 3,603,027,608.85
  5. Step 5: Solve for x
    x = 3,603,027,608.85/60,735.50
  6. Step 6: Final answer
    x = 59,323.25

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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.