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Finding the Fourth Proportional to 56,646.90, 84,972.27 and 17,203.88

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Solution

The fourth proportional to 56,646.90, 84,972.27 and 17,203.88 is: 25,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.90 : 84,972.27 = 17,203.88 : x
  2. Step 2: Convert to fraction form
    56,646.90/84,972.27 = 17,203.88/x
  3. Step 3: Cross multiply
    56,646.90x = 84,972.27 × 17,203.88
  4. Step 4: Simplify right side
    56,646.90x = 1,461,852,311.55
  5. Step 5: Solve for x
    x = 1,461,852,311.55/56,646.90
  6. Step 6: Final answer
    x = 25,806.40

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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.