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Finding the Fourth Proportional to 7,065.01, 9,748.07 and 4,080.29

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Solution

The fourth proportional to 7,065.01, 9,748.07 and 4,080.29 is: 5,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.01 : 9,748.07 = 4,080.29 : x
  2. Step 2: Convert to fraction form
    7,065.01/9,748.07 = 4,080.29/x
  3. Step 3: Cross multiply
    7,065.01x = 9,748.07 × 4,080.29
  4. Step 4: Simplify right side
    7,065.01x = 39,774,952.54
  5. Step 5: Solve for x
    x = 39,774,952.54/7,065.01
  6. Step 6: Final answer
    x = 5,629.85

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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.