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Finding the Fourth Proportional to 66,232.86, 91,400.07 and 36,017.64

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Solution

The fourth proportional to 66,232.86, 91,400.07 and 36,017.64 is: 49,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.86 : 91,400.07 = 36,017.64 : x
  2. Step 2: Convert to fraction form
    66,232.86/91,400.07 = 36,017.64/x
  3. Step 3: Cross multiply
    66,232.86x = 91,400.07 × 36,017.64
  4. Step 4: Simplify right side
    66,232.86x = 3,292,014,817.23
  5. Step 5: Solve for x
    x = 3,292,014,817.23/66,232.86
  6. Step 6: Final answer
    x = 49,703.65

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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.