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Finding the Fourth Proportional to 66,237.62, 91,405.88 and 37,559.91

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Solution

The fourth proportional to 66,237.62, 91,405.88 and 37,559.91 is: 51,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.62 : 91,405.88 = 37,559.91 : x
  2. Step 2: Convert to fraction form
    66,237.62/91,405.88 = 37,559.91/x
  3. Step 3: Cross multiply
    66,237.62x = 91,405.88 × 37,559.91
  4. Step 4: Simplify right side
    66,237.62x = 3,433,196,626.27
  5. Step 5: Solve for x
    x = 3,433,196,626.27/66,237.62
  6. Step 6: Final answer
    x = 51,831.52

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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.