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Finding the Fourth Proportional to 66,632.91, 91,950.92 and 36,417.99

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Solution

The fourth proportional to 66,632.91, 91,950.92 and 36,417.99 is: 50,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.91 : 91,950.92 = 36,417.99 : x
  2. Step 2: Convert to fraction form
    66,632.91/91,950.92 = 36,417.99/x
  3. Step 3: Cross multiply
    66,632.91x = 91,950.92 × 36,417.99
  4. Step 4: Simplify right side
    66,632.91x = 3,348,667,569.55
  5. Step 5: Solve for x
    x = 3,348,667,569.55/66,632.91
  6. Step 6: Final answer
    x = 50,255.46

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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.