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Finding the Fourth Proportional to 69,813.76, 104,672.04 and 32,352.88

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Solution

The fourth proportional to 69,813.76, 104,672.04 and 32,352.88 is: 48,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813.76 : 104,672.04 = 32,352.88 : x
  2. Step 2: Convert to fraction form
    69,813.76/104,672.04 = 32,352.88/x
  3. Step 3: Cross multiply
    69,813.76x = 104,672.04 × 32,352.88
  4. Step 4: Simplify right side
    69,813.76x = 3,386,441,949.48
  5. Step 5: Solve for x
    x = 3,386,441,949.48/69,813.76
  6. Step 6: Final answer
    x = 48,506.80

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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.