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Finding the Fourth Proportional to 9,429.43, 13,011.63 and 5,652.51

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Solution

The fourth proportional to 9,429.43, 13,011.63 and 5,652.51 is: 7,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.43 : 13,011.63 = 5,652.51 : x
  2. Step 2: Convert to fraction form
    9,429.43/13,011.63 = 5,652.51/x
  3. Step 3: Cross multiply
    9,429.43x = 13,011.63 × 5,652.51
  4. Step 4: Simplify right side
    9,429.43x = 73,548,368.69
  5. Step 5: Solve for x
    x = 73,548,368.69/9,429.43
  6. Step 6: Final answer
    x = 7,799.87

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