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Finding the Fourth Proportional to 35,424.50, 48,885.81 and 19,508.92

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Solution

The fourth proportional to 35,424.50, 48,885.81 and 19,508.92 is: 26,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.50 : 48,885.81 = 19,508.92 : x
  2. Step 2: Convert to fraction form
    35,424.50/48,885.81 = 19,508.92/x
  3. Step 3: Cross multiply
    35,424.50x = 48,885.81 × 19,508.92
  4. Step 4: Simplify right side
    35,424.50x = 953,709,356.43
  5. Step 5: Solve for x
    x = 953,709,356.43/35,424.50
  6. Step 6: Final answer
    x = 26,922.31

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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.