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Finding the Fourth Proportional to 56,347.83, 77,603.13 and 43,553.88

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Solution

The fourth proportional to 56,347.83, 77,603.13 and 43,553.88 is: 59,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.83 : 77,603.13 = 43,553.88 : x
  2. Step 2: Convert to fraction form
    56,347.83/77,603.13 = 43,553.88/x
  3. Step 3: Cross multiply
    56,347.83x = 77,603.13 × 43,553.88
  4. Step 4: Simplify right side
    56,347.83x = 3,379,917,411.64
  5. Step 5: Solve for x
    x = 3,379,917,411.64/56,347.83
  6. Step 6: Final answer
    x = 59,983.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.