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Finding the Fourth Proportional to 60,622.32, 90,948.11 and 19,069.32

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Solution

The fourth proportional to 60,622.32, 90,948.11 and 19,069.32 is: 28,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,622.32 : 90,948.11 = 19,069.32 : x
  2. Step 2: Convert to fraction form
    60,622.32/90,948.11 = 19,069.32/x
  3. Step 3: Cross multiply
    60,622.32x = 90,948.11 × 19,069.32
  4. Step 4: Simplify right side
    60,622.32x = 1,734,318,517.64
  5. Step 5: Solve for x
    x = 1,734,318,517.64/60,622.32
  6. Step 6: Final answer
    x = 28,608.58

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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.