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Finding the Fourth Proportional to 67,827.70, 101,741.55 and 30,963.70

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Solution

The fourth proportional to 67,827.70, 101,741.55 and 30,963.70 is: 46,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,827.70 : 101,741.55 = 30,963.70 : x
  2. Step 2: Convert to fraction form
    67,827.70/101,741.55 = 30,963.70/x
  3. Step 3: Cross multiply
    67,827.70x = 101,741.55 × 30,963.70
  4. Step 4: Simplify right side
    67,827.70x = 3,150,294,831.74
  5. Step 5: Solve for x
    x = 3,150,294,831.74/67,827.70
  6. Step 6: Final answer
    x = 46,445.55

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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.