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Finding the Fourth Proportional to 66,230.88, 91,403.73 and 37,937.13

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Solution

The fourth proportional to 66,230.88, 91,403.73 and 37,937.13 is: 52,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.88 : 91,403.73 = 37,937.13 : x
  2. Step 2: Convert to fraction form
    66,230.88/91,403.73 = 37,937.13/x
  3. Step 3: Cross multiply
    66,230.88x = 91,403.73 × 37,937.13
  4. Step 4: Simplify right side
    66,230.88x = 3,467,595,187.49
  5. Step 5: Solve for x
    x = 3,467,595,187.49/66,230.88
  6. Step 6: Final answer
    x = 52,356.17

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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.