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Finding the Fourth Proportional to 66,092.63, 91,207.83 and 37,798.32

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Solution

The fourth proportional to 66,092.63, 91,207.83 and 37,798.32 is: 52,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,092.63 : 91,207.83 = 37,798.32 : x
  2. Step 2: Convert to fraction form
    66,092.63/91,207.83 = 37,798.32/x
  3. Step 3: Cross multiply
    66,092.63x = 91,207.83 × 37,798.32
  4. Step 4: Simplify right side
    66,092.63x = 3,447,502,744.85
  5. Step 5: Solve for x
    x = 3,447,502,744.85/66,092.63
  6. Step 6: Final answer
    x = 52,161.69

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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.