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Finding the Fourth Proportional to 66,544.16, 91,830.96 and 36,736.16

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Solution

The fourth proportional to 66,544.16, 91,830.96 and 36,736.16 is: 50,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.16 : 91,830.96 = 36,736.16 : x
  2. Step 2: Convert to fraction form
    66,544.16/91,830.96 = 36,736.16/x
  3. Step 3: Cross multiply
    66,544.16x = 91,830.96 × 36,736.16
  4. Step 4: Simplify right side
    66,544.16x = 3,373,516,839.51
  5. Step 5: Solve for x
    x = 3,373,516,839.51/66,544.16
  6. Step 6: Final answer
    x = 50,695.91

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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.