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Finding the Fourth Proportional to 56,365.61, 77,784.62 and 32,493.90

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Solution

The fourth proportional to 56,365.61, 77,784.62 and 32,493.90 is: 44,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,365.61 : 77,784.62 = 32,493.90 : x
  2. Step 2: Convert to fraction form
    56,365.61/77,784.62 = 32,493.90/x
  3. Step 3: Cross multiply
    56,365.61x = 77,784.62 × 32,493.90
  4. Step 4: Simplify right side
    56,365.61x = 2,527,525,663.82
  5. Step 5: Solve for x
    x = 2,527,525,663.82/56,365.61
  6. Step 6: Final answer
    x = 44,841.63

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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.