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Finding the Fourth Proportional to 56,799, 78,379.36 and 32,594.84

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Solution

The fourth proportional to 56,799, 78,379.36 and 32,594.84 is: 44,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,799 : 78,379.36 = 32,594.84 : x
  2. Step 2: Convert to fraction form
    56,799/78,379.36 = 32,594.84/x
  3. Step 3: Cross multiply
    56,799x = 78,379.36 × 32,594.84
  4. Step 4: Simplify right side
    56,799x = 2,554,762,698.50
  5. Step 5: Solve for x
    x = 2,554,762,698.50/56,799
  6. Step 6: Final answer
    x = 44,979.01

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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.