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Finding the Fourth Proportional to 66,534.65, 91,814.62 and 37,851.62

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Solution

The fourth proportional to 66,534.65, 91,814.62 and 37,851.62 is: 52,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.65 : 91,814.62 = 37,851.62 : x
  2. Step 2: Convert to fraction form
    66,534.65/91,814.62 = 37,851.62/x
  3. Step 3: Cross multiply
    66,534.65x = 91,814.62 × 37,851.62
  4. Step 4: Simplify right side
    66,534.65x = 3,475,332,106.68
  5. Step 5: Solve for x
    x = 3,475,332,106.68/66,534.65
  6. Step 6: Final answer
    x = 52,233.42

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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.