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Finding the Fourth Proportional to 61,875.80, 92,813.70 and 22,434.20

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Solution

The fourth proportional to 61,875.80, 92,813.70 and 22,434.20 is: 33,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,875.80 : 92,813.70 = 22,434.20 : x
  2. Step 2: Convert to fraction form
    61,875.80/92,813.70 = 22,434.20/x
  3. Step 3: Cross multiply
    61,875.80x = 92,813.70 × 22,434.20
  4. Step 4: Simplify right side
    61,875.80x = 2,082,201,108.54
  5. Step 5: Solve for x
    x = 2,082,201,108.54/61,875.80
  6. Step 6: Final answer
    x = 33,651.30

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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.