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Finding the Fourth Proportional to 52,810.93, 79,216.58 and 13,368.03

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Solution

The fourth proportional to 52,810.93, 79,216.58 and 13,368.03 is: 20,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.93 : 79,216.58 = 13,368.03 : x
  2. Step 2: Convert to fraction form
    52,810.93/79,216.58 = 13,368.03/x
  3. Step 3: Cross multiply
    52,810.93x = 79,216.58 × 13,368.03
  4. Step 4: Simplify right side
    52,810.93x = 1,058,969,617.94
  5. Step 5: Solve for x
    x = 1,058,969,617.94/52,810.93
  6. Step 6: Final answer
    x = 20,052.09

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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.