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Finding the Fourth Proportional to 40,602.86, 56,033.10 and 22,699.88

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Solution

The fourth proportional to 40,602.86, 56,033.10 and 22,699.88 is: 31,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,602.86 : 56,033.10 = 22,699.88 : x
  2. Step 2: Convert to fraction form
    40,602.86/56,033.10 = 22,699.88/x
  3. Step 3: Cross multiply
    40,602.86x = 56,033.10 × 22,699.88
  4. Step 4: Simplify right side
    40,602.86x = 1,271,944,646.03
  5. Step 5: Solve for x
    x = 1,271,944,646.03/40,602.86
  6. Step 6: Final answer
    x = 31,326.48

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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.