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Finding the Fourth Proportional to 66,544.34, 91,831.32 and 36,329.66

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Solution

The fourth proportional to 66,544.34, 91,831.32 and 36,329.66 is: 50,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.34 : 91,831.32 = 36,329.66 : x
  2. Step 2: Convert to fraction form
    66,544.34/91,831.32 = 36,329.66/x
  3. Step 3: Cross multiply
    66,544.34x = 91,831.32 × 36,329.66
  4. Step 4: Simplify right side
    66,544.34x = 3,336,201,034.71
  5. Step 5: Solve for x
    x = 3,336,201,034.71/66,544.34
  6. Step 6: Final answer
    x = 50,135.01

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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.