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Finding the Fourth Proportional to 56,383.90, 84,357.15 and 36,700.90

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Solution

The fourth proportional to 56,383.90, 84,357.15 and 36,700.90 is: 54,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.90 : 84,357.15 = 36,700.90 : x
  2. Step 2: Convert to fraction form
    56,383.90/84,357.15 = 36,700.90/x
  3. Step 3: Cross multiply
    56,383.90x = 84,357.15 × 36,700.90
  4. Step 4: Simplify right side
    56,383.90x = 3,095,983,326.44
  5. Step 5: Solve for x
    x = 3,095,983,326.44/56,383.90
  6. Step 6: Final answer
    x = 54,909.00

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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.