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Finding the Fourth Proportional to 56,612.62, 84,918.93 and 25,411.42

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Solution

The fourth proportional to 56,612.62, 84,918.93 and 25,411.42 is: 38,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.62 : 84,918.93 = 25,411.42 : x
  2. Step 2: Convert to fraction form
    56,612.62/84,918.93 = 25,411.42/x
  3. Step 3: Cross multiply
    56,612.62x = 84,918.93 × 25,411.42
  4. Step 4: Simplify right side
    56,612.62x = 2,157,910,596.18
  5. Step 5: Solve for x
    x = 2,157,910,596.18/56,612.62
  6. Step 6: Final answer
    x = 38,117.13

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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.