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Finding the Fourth Proportional to 56,652.90, 84,981.27 and 17,209.89

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Solution

The fourth proportional to 56,652.90, 84,981.27 and 17,209.89 is: 25,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.90 : 84,981.27 = 17,209.89 : x
  2. Step 2: Convert to fraction form
    56,652.90/84,981.27 = 17,209.89/x
  3. Step 3: Cross multiply
    56,652.90x = 84,981.27 × 17,209.89
  4. Step 4: Simplify right side
    56,652.90x = 1,462,518,308.76
  5. Step 5: Solve for x
    x = 1,462,518,308.76/56,652.90
  6. Step 6: Final answer
    x = 25,815.42

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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.