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Finding the Fourth Proportional to 66,260.16, 91,438.54 and 36,044.93

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Solution

The fourth proportional to 66,260.16, 91,438.54 and 36,044.93 is: 49,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260.16 : 91,438.54 = 36,044.93 : x
  2. Step 2: Convert to fraction form
    66,260.16/91,438.54 = 36,044.93/x
  3. Step 3: Cross multiply
    66,260.16x = 91,438.54 × 36,044.93
  4. Step 4: Simplify right side
    66,260.16x = 3,295,895,912.09
  5. Step 5: Solve for x
    x = 3,295,895,912.09/66,260.16
  6. Step 6: Final answer
    x = 49,741.74

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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.