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Finding the Fourth Proportional to 60,375.81, 90,561.29 and 30,792.99

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Solution

The fourth proportional to 60,375.81, 90,561.29 and 30,792.99 is: 46,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,375.81 : 90,561.29 = 30,792.99 : x
  2. Step 2: Convert to fraction form
    60,375.81/90,561.29 = 30,792.99/x
  3. Step 3: Cross multiply
    60,375.81x = 90,561.29 × 30,792.99
  4. Step 4: Simplify right side
    60,375.81x = 2,788,652,743.39
  5. Step 5: Solve for x
    x = 2,788,652,743.39/60,375.81
  6. Step 6: Final answer
    x = 46,188.25

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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.