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Finding the Fourth Proportional to 31,202.40, 46,751.76 and 21,948.96

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Solution

The fourth proportional to 31,202.40, 46,751.76 and 21,948.96 is: 32,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.40 : 46,751.76 = 21,948.96 : x
  2. Step 2: Convert to fraction form
    31,202.40/46,751.76 = 21,948.96/x
  3. Step 3: Cross multiply
    31,202.40x = 46,751.76 × 21,948.96
  4. Step 4: Simplify right side
    31,202.40x = 1,026,152,510.17
  5. Step 5: Solve for x
    x = 1,026,152,510.17/31,202.40
  6. Step 6: Final answer
    x = 32,886.97

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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.