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Finding the Fourth Proportional to 9,424.64, 13,015.68 and 7,063.04

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Solution

The fourth proportional to 9,424.64, 13,015.68 and 7,063.04 is: 9,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.64 : 13,015.68 = 7,063.04 : x
  2. Step 2: Convert to fraction form
    9,424.64/13,015.68 = 7,063.04/x
  3. Step 3: Cross multiply
    9,424.64x = 13,015.68 × 7,063.04
  4. Step 4: Simplify right side
    9,424.64x = 91,930,268.47
  5. Step 5: Solve for x
    x = 91,930,268.47/9,424.64
  6. Step 6: Final answer
    x = 9,754.25

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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.