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Finding the Fourth Proportional to 15,157.56, 22,737.06 and 4,770.12

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Solution

The fourth proportional to 15,157.56, 22,737.06 and 4,770.12 is: 7,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.56 : 22,737.06 = 4,770.12 : x
  2. Step 2: Convert to fraction form
    15,157.56/22,737.06 = 4,770.12/x
  3. Step 3: Cross multiply
    15,157.56x = 22,737.06 × 4,770.12
  4. Step 4: Simplify right side
    15,157.56x = 108,458,504.65
  5. Step 5: Solve for x
    x = 108,458,504.65/15,157.56
  6. Step 6: Final answer
    x = 7,155.41

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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.