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Finding the Fourth Proportional to 34,852.80, 48,098.16 and 20,707.68

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Solution

The fourth proportional to 34,852.80, 48,098.16 and 20,707.68 is: 28,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,852.80 : 48,098.16 = 20,707.68 : x
  2. Step 2: Convert to fraction form
    34,852.80/48,098.16 = 20,707.68/x
  3. Step 3: Cross multiply
    34,852.80x = 48,098.16 × 20,707.68
  4. Step 4: Simplify right side
    34,852.80x = 996,001,305.87
  5. Step 5: Solve for x
    x = 996,001,305.87/34,852.80
  6. Step 6: Final answer
    x = 28,577.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.