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Finding the Fourth Proportional to 56,486.88, 84,701.36 and 29,847.16

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Solution

The fourth proportional to 56,486.88, 84,701.36 and 29,847.16 is: 44,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,486.88 : 84,701.36 = 29,847.16 : x
  2. Step 2: Convert to fraction form
    56,486.88/84,701.36 = 29,847.16/x
  3. Step 3: Cross multiply
    56,486.88x = 84,701.36 × 29,847.16
  4. Step 4: Simplify right side
    56,486.88x = 2,528,095,044.14
  5. Step 5: Solve for x
    x = 2,528,095,044.14/56,486.88
  6. Step 6: Final answer
    x = 44,755.44

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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.