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Finding the Fourth Proportional to 62,155.94, 85,781.39 and 37,955.57

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Solution

The fourth proportional to 62,155.94, 85,781.39 and 37,955.57 is: 52,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,155.94 : 85,781.39 = 37,955.57 : x
  2. Step 2: Convert to fraction form
    62,155.94/85,781.39 = 37,955.57/x
  3. Step 3: Cross multiply
    62,155.94x = 85,781.39 × 37,955.57
  4. Step 4: Simplify right side
    62,155.94x = 3,255,880,934.16
  5. Step 5: Solve for x
    x = 3,255,880,934.16/62,155.94
  6. Step 6: Final answer
    x = 52,382.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.