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Finding the Fourth Proportional to 50,420.88, 75,642.64 and 14,881.82

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Solution

The fourth proportional to 50,420.88, 75,642.64 and 14,881.82 is: 22,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420.88 : 75,642.64 = 14,881.82 : x
  2. Step 2: Convert to fraction form
    50,420.88/75,642.64 = 14,881.82/x
  3. Step 3: Cross multiply
    50,420.88x = 75,642.64 × 14,881.82
  4. Step 4: Simplify right side
    50,420.88x = 1,125,700,152.80
  5. Step 5: Solve for x
    x = 1,125,700,152.80/50,420.88
  6. Step 6: Final answer
    x = 22,326.07

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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.