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Finding the Fourth Proportional to 66,460.93, 91,715.73 and 36,245.71

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Solution

The fourth proportional to 66,460.93, 91,715.73 and 36,245.71 is: 50,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.93 : 91,715.73 = 36,245.71 : x
  2. Step 2: Convert to fraction form
    66,460.93/91,715.73 = 36,245.71/x
  3. Step 3: Cross multiply
    66,460.93x = 91,715.73 × 36,245.71
  4. Step 4: Simplify right side
    66,460.93x = 3,324,301,752.02
  5. Step 5: Solve for x
    x = 3,324,301,752.02/66,460.93
  6. Step 6: Final answer
    x = 50,018.89

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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.