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Finding the Fourth Proportional to 35,388.40, 48,834.76 and 19,472.68

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Solution

The fourth proportional to 35,388.40, 48,834.76 and 19,472.68 is: 26,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.40 : 48,834.76 = 19,472.68 : x
  2. Step 2: Convert to fraction form
    35,388.40/48,834.76 = 19,472.68/x
  3. Step 3: Cross multiply
    35,388.40x = 48,834.76 × 19,472.68
  4. Step 4: Simplify right side
    35,388.40x = 950,943,654.36
  5. Step 5: Solve for x
    x = 950,943,654.36/35,388.40
  6. Step 6: Final answer
    x = 26,871.62

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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.