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Finding the Fourth Proportional to 56,893.47, 78,468.63 and 36,477.48

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Solution

The fourth proportional to 56,893.47, 78,468.63 and 36,477.48 is: 50,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893.47 : 78,468.63 = 36,477.48 : x
  2. Step 2: Convert to fraction form
    56,893.47/78,468.63 = 36,477.48/x
  3. Step 3: Cross multiply
    56,893.47x = 78,468.63 × 36,477.48
  4. Step 4: Simplify right side
    56,893.47x = 2,862,338,063.00
  5. Step 5: Solve for x
    x = 2,862,338,063.00/56,893.47
  6. Step 6: Final answer
    x = 50,310.48

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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.