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Finding the Fourth Proportional to 7,065.60, 9,750.24 and 4,080.93

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Solution

The fourth proportional to 7,065.60, 9,750.24 and 4,080.93 is: 5,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.60 : 9,750.24 = 4,080.93 : x
  2. Step 2: Convert to fraction form
    7,065.60/9,750.24 = 4,080.93/x
  3. Step 3: Cross multiply
    7,065.60x = 9,750.24 × 4,080.93
  4. Step 4: Simplify right side
    7,065.60x = 39,790,046.92
  5. Step 5: Solve for x
    x = 39,790,046.92/7,065.60
  6. Step 6: Final answer
    x = 5,631.52

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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.