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Finding the Fourth Proportional to 66,597.50, 91,903.04 and 36,382.95

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Solution

The fourth proportional to 66,597.50, 91,903.04 and 36,382.95 is: 50,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,597.50 : 91,903.04 = 36,382.95 : x
  2. Step 2: Convert to fraction form
    66,597.50/91,903.04 = 36,382.95/x
  3. Step 3: Cross multiply
    66,597.50x = 91,903.04 × 36,382.95
  4. Step 4: Simplify right side
    66,597.50x = 3,343,703,527.25
  5. Step 5: Solve for x
    x = 3,343,703,527.25/66,597.50
  6. Step 6: Final answer
    x = 50,207.64

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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.