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Finding the Fourth Proportional to 52,653.60, 78,984.45 and 17,593.29

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Solution

The fourth proportional to 52,653.60, 78,984.45 and 17,593.29 is: 26,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.60 : 78,984.45 = 17,593.29 : x
  2. Step 2: Convert to fraction form
    52,653.60/78,984.45 = 17,593.29/x
  3. Step 3: Cross multiply
    52,653.60x = 78,984.45 × 17,593.29
  4. Step 4: Simplify right side
    52,653.60x = 1,389,596,334.34
  5. Step 5: Solve for x
    x = 1,389,596,334.34/52,653.60
  6. Step 6: Final answer
    x = 26,391.29

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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.