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Finding the Fourth Proportional to 35,295.66, 48,708.42 and 19,379.76

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Solution

The fourth proportional to 35,295.66, 48,708.42 and 19,379.76 is: 26,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.66 : 48,708.42 = 19,379.76 : x
  2. Step 2: Convert to fraction form
    35,295.66/48,708.42 = 19,379.76/x
  3. Step 3: Cross multiply
    35,295.66x = 48,708.42 × 19,379.76
  4. Step 4: Simplify right side
    35,295.66x = 943,957,489.58
  5. Step 5: Solve for x
    x = 943,957,489.58/35,295.66
  6. Step 6: Final answer
    x = 26,744.29

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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.