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Finding the Fourth Proportional to 60,716.70, 91,092.90 and 31,155.18

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Solution

The fourth proportional to 60,716.70, 91,092.90 and 31,155.18 is: 46,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,716.70 : 91,092.90 = 31,155.18 : x
  2. Step 2: Convert to fraction form
    60,716.70/91,092.90 = 31,155.18/x
  3. Step 3: Cross multiply
    60,716.70x = 91,092.90 × 31,155.18
  4. Step 4: Simplify right side
    60,716.70x = 2,838,015,696.22
  5. Step 5: Solve for x
    x = 2,838,015,696.22/60,716.70
  6. Step 6: Final answer
    x = 46,741.93

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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.