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Finding the Fourth Proportional to 52,507.40, 78,760.94 and 13,064.51

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Solution

The fourth proportional to 52,507.40, 78,760.94 and 13,064.51 is: 19,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507.40 : 78,760.94 = 13,064.51 : x
  2. Step 2: Convert to fraction form
    52,507.40/78,760.94 = 13,064.51/x
  3. Step 3: Cross multiply
    52,507.40x = 78,760.94 × 13,064.51
  4. Step 4: Simplify right side
    52,507.40x = 1,028,972,629.11
  5. Step 5: Solve for x
    x = 1,028,972,629.11/52,507.40
  6. Step 6: Final answer
    x = 19,596.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.