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Finding the Fourth Proportional to 60,838.40, 91,256.52 and 31,238.84

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Solution

The fourth proportional to 60,838.40, 91,256.52 and 31,238.84 is: 46,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,838.40 : 91,256.52 = 31,238.84 : x
  2. Step 2: Convert to fraction form
    60,838.40/91,256.52 = 31,238.84/x
  3. Step 3: Cross multiply
    60,838.40x = 91,256.52 × 31,238.84
  4. Step 4: Simplify right side
    60,838.40x = 2,850,747,827.24
  5. Step 5: Solve for x
    x = 2,850,747,827.24/60,838.40
  6. Step 6: Final answer
    x = 46,857.71

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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.