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Finding the Fourth Proportional to 56,567.44, 84,849.84 and 28,479.95

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Solution

The fourth proportional to 56,567.44, 84,849.84 and 28,479.95 is: 42,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,567.44 : 84,849.84 = 28,479.95 : x
  2. Step 2: Convert to fraction form
    56,567.44/84,849.84 = 28,479.95/x
  3. Step 3: Cross multiply
    56,567.44x = 84,849.84 × 28,479.95
  4. Step 4: Simplify right side
    56,567.44x = 2,416,519,519.63
  5. Step 5: Solve for x
    x = 2,416,519,519.63/56,567.44
  6. Step 6: Final answer
    x = 42,719.27

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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.