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Finding the Fourth Proportional to 9,059.46, 12,505.13 and 5,707.88

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Solution

The fourth proportional to 9,059.46, 12,505.13 and 5,707.88 is: 7,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.46 : 12,505.13 = 5,707.88 : x
  2. Step 2: Convert to fraction form
    9,059.46/12,505.13 = 5,707.88/x
  3. Step 3: Cross multiply
    9,059.46x = 12,505.13 × 5,707.88
  4. Step 4: Simplify right side
    9,059.46x = 71,377,690.36
  5. Step 5: Solve for x
    x = 71,377,690.36/9,059.46
  6. Step 6: Final answer
    x = 7,878.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.