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Finding the Fourth Proportional to 52,661.30, 78,975.54 and 17,592.75

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Solution

The fourth proportional to 52,661.30, 78,975.54 and 17,592.75 is: 26,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,661.30 : 78,975.54 = 17,592.75 : x
  2. Step 2: Convert to fraction form
    52,661.30/78,975.54 = 17,592.75/x
  3. Step 3: Cross multiply
    52,661.30x = 78,975.54 × 17,592.75
  4. Step 4: Simplify right side
    52,661.30x = 1,389,396,931.34
  5. Step 5: Solve for x
    x = 1,389,396,931.34/52,661.30
  6. Step 6: Final answer
    x = 26,383.65

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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.