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Finding the Fourth Proportional to 66,495.44, 91,767.84 and 37,816.76

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Solution

The fourth proportional to 66,495.44, 91,767.84 and 37,816.76 is: 52,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495.44 : 91,767.84 = 37,816.76 : x
  2. Step 2: Convert to fraction form
    66,495.44/91,767.84 = 37,816.76/x
  3. Step 3: Cross multiply
    66,495.44x = 91,767.84 × 37,816.76
  4. Step 4: Simplify right side
    66,495.44x = 3,470,362,381.00
  5. Step 5: Solve for x
    x = 3,470,362,381.00/66,495.44
  6. Step 6: Final answer
    x = 52,189.48

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Double scale
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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.