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Finding the Fourth Proportional to 60,361.50, 83,298.87 and 39,140.93

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Solution

The fourth proportional to 60,361.50, 83,298.87 and 39,140.93 is: 54,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,361.50 : 83,298.87 = 39,140.93 : x
  2. Step 2: Convert to fraction form
    60,361.50/83,298.87 = 39,140.93/x
  3. Step 3: Cross multiply
    60,361.50x = 83,298.87 × 39,140.93
  4. Step 4: Simplify right side
    60,361.50x = 3,260,394,823.25
  5. Step 5: Solve for x
    x = 3,260,394,823.25/60,361.50
  6. Step 6: Final answer
    x = 54,014.48

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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.