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Finding the Fourth Proportional to 62,577.16, 93,807.42 and 20,995

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Solution

The fourth proportional to 62,577.16, 93,807.42 and 20,995 is: 31,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,577.16 : 93,807.42 = 20,995 : x
  2. Step 2: Convert to fraction form
    62,577.16/93,807.42 = 20,995/x
  3. Step 3: Cross multiply
    62,577.16x = 93,807.42 × 20,995
  4. Step 4: Simplify right side
    62,577.16x = 1,969,486,782.90
  5. Step 5: Solve for x
    x = 1,969,486,782.90/62,577.16
  6. Step 6: Final answer
    x = 31,472.93

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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.