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Finding the Fourth Proportional to 69,009.62, 103,483.67 and 48,084.12

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Solution

The fourth proportional to 69,009.62, 103,483.67 and 48,084.12 is: 72,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009.62 : 103,483.67 = 48,084.12 : x
  2. Step 2: Convert to fraction form
    69,009.62/103,483.67 = 48,084.12/x
  3. Step 3: Cross multiply
    69,009.62x = 103,483.67 × 48,084.12
  4. Step 4: Simplify right side
    69,009.62x = 4,975,920,965.90
  5. Step 5: Solve for x
    x = 4,975,920,965.90/69,009.62
  6. Step 6: Final answer
    x = 72,104.75

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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.