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Finding the Fourth Proportional to 5,059.46, 7,589.88 and 4,751.91

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Solution

The fourth proportional to 5,059.46, 7,589.88 and 4,751.91 is: 7,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.46 : 7,589.88 = 4,751.91 : x
  2. Step 2: Convert to fraction form
    5,059.46/7,589.88 = 4,751.91/x
  3. Step 3: Cross multiply
    5,059.46x = 7,589.88 × 4,751.91
  4. Step 4: Simplify right side
    5,059.46x = 36,066,426.67
  5. Step 5: Solve for x
    x = 36,066,426.67/5,059.46
  6. Step 6: Final answer
    x = 7,128.51

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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.