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Finding the Fourth Proportional to 61,033.50, 91,584.81 and 28,201.50

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Solution

The fourth proportional to 61,033.50, 91,584.81 and 28,201.50 is: 42,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033.50 : 91,584.81 = 28,201.50 : x
  2. Step 2: Convert to fraction form
    61,033.50/91,584.81 = 28,201.50/x
  3. Step 3: Cross multiply
    61,033.50x = 91,584.81 × 28,201.50
  4. Step 4: Simplify right side
    61,033.50x = 2,582,829,019.22
  5. Step 5: Solve for x
    x = 2,582,829,019.22/61,033.50
  6. Step 6: Final answer
    x = 42,318.22

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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.