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Finding the Fourth Proportional to 52,652.88, 78,983.40 and 17,592.66

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Solution

The fourth proportional to 52,652.88, 78,983.40 and 17,592.66 is: 26,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.88 : 78,983.40 = 17,592.66 : x
  2. Step 2: Convert to fraction form
    52,652.88/78,983.40 = 17,592.66/x
  3. Step 3: Cross multiply
    52,652.88x = 78,983.40 × 17,592.66
  4. Step 4: Simplify right side
    52,652.88x = 1,389,528,101.84
  5. Step 5: Solve for x
    x = 1,389,528,101.84/52,652.88
  6. Step 6: Final answer
    x = 26,390.35

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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.