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Finding the Fourth Proportional to 66,762.88, 92,132.90 and 36,550.08

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Solution

The fourth proportional to 66,762.88, 92,132.90 and 36,550.08 is: 50,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,762.88 : 92,132.90 = 36,550.08 : x
  2. Step 2: Convert to fraction form
    66,762.88/92,132.90 = 36,550.08/x
  3. Step 3: Cross multiply
    66,762.88x = 92,132.90 × 36,550.08
  4. Step 4: Simplify right side
    66,762.88x = 3,367,464,865.63
  5. Step 5: Solve for x
    x = 3,367,464,865.63/66,762.88
  6. Step 6: Final answer
    x = 50,439.18

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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.