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Finding the Fourth Proportional to 60,501.57, 90,770.81 and 30,940.17

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Solution

The fourth proportional to 60,501.57, 90,770.81 and 30,940.17 is: 46,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,501.57 : 90,770.81 = 30,940.17 : x
  2. Step 2: Convert to fraction form
    60,501.57/90,770.81 = 30,940.17/x
  3. Step 3: Cross multiply
    60,501.57x = 90,770.81 × 30,940.17
  4. Step 4: Simplify right side
    60,501.57x = 2,808,464,292.44
  5. Step 5: Solve for x
    x = 2,808,464,292.44/60,501.57
  6. Step 6: Final answer
    x = 46,419.69

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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.