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Finding the Fourth Proportional to 56,980.82, 85,424.98 and 23,725.76

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Solution

The fourth proportional to 56,980.82, 85,424.98 and 23,725.76 is: 35,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,980.82 : 85,424.98 = 23,725.76 : x
  2. Step 2: Convert to fraction form
    56,980.82/85,424.98 = 23,725.76/x
  3. Step 3: Cross multiply
    56,980.82x = 85,424.98 × 23,725.76
  4. Step 4: Simplify right side
    56,980.82x = 2,026,772,612.05
  5. Step 5: Solve for x
    x = 2,026,772,612.05/56,980.82
  6. Step 6: Final answer
    x = 35,569.38

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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.