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Finding the Fourth Proportional to 60,874.48, 91,344.48 and 31,284.46

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Solution

The fourth proportional to 60,874.48, 91,344.48 and 31,284.46 is: 46,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,874.48 : 91,344.48 = 31,284.46 : x
  2. Step 2: Convert to fraction form
    60,874.48/91,344.48 = 31,284.46/x
  3. Step 3: Cross multiply
    60,874.48x = 91,344.48 × 31,284.46
  4. Step 4: Simplify right side
    60,874.48x = 2,857,662,730.78
  5. Step 5: Solve for x
    x = 2,857,662,730.78/60,874.48
  6. Step 6: Final answer
    x = 46,943.53

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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.