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Finding the Fourth Proportional to 56,703.88, 85,027.88 and 19,250.28

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Solution

The fourth proportional to 56,703.88, 85,027.88 and 19,250.28 is: 28,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703.88 : 85,027.88 = 19,250.28 : x
  2. Step 2: Convert to fraction form
    56,703.88/85,027.88 = 19,250.28/x
  3. Step 3: Cross multiply
    56,703.88x = 85,027.88 × 19,250.28
  4. Step 4: Simplify right side
    56,703.88x = 1,636,810,497.81
  5. Step 5: Solve for x
    x = 1,636,810,497.81/56,703.88
  6. Step 6: Final answer
    x = 28,865.93

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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.