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Finding the Fourth Proportional to 66,696.16, 92,069.04 and 41,558.08

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Solution

The fourth proportional to 66,696.16, 92,069.04 and 41,558.08 is: 57,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696.16 : 92,069.04 = 41,558.08 : x
  2. Step 2: Convert to fraction form
    66,696.16/92,069.04 = 41,558.08/x
  3. Step 3: Cross multiply
    66,696.16x = 92,069.04 × 41,558.08
  4. Step 4: Simplify right side
    66,696.16x = 3,826,212,529.84
  5. Step 5: Solve for x
    x = 3,826,212,529.84/66,696.16
  6. Step 6: Final answer
    x = 57,367.81

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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.