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Finding the Fourth Proportional to 66,527.80, 99,791.70 and 63,247.30

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Solution

The fourth proportional to 66,527.80, 99,791.70 and 63,247.30 is: 94,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.80 : 99,791.70 = 63,247.30 : x
  2. Step 2: Convert to fraction form
    66,527.80/99,791.70 = 63,247.30/x
  3. Step 3: Cross multiply
    66,527.80x = 99,791.70 × 63,247.30
  4. Step 4: Simplify right side
    66,527.80x = 6,311,555,587.41
  5. Step 5: Solve for x
    x = 6,311,555,587.41/66,527.80
  6. Step 6: Final answer
    x = 94,870.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.