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Finding the Fourth Proportional to 35,388.29, 48,836.30 and 19,472.40

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Solution

The fourth proportional to 35,388.29, 48,836.30 and 19,472.40 is: 26,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.29 : 48,836.30 = 19,472.40 : x
  2. Step 2: Convert to fraction form
    35,388.29/48,836.30 = 19,472.40/x
  3. Step 3: Cross multiply
    35,388.29x = 48,836.30 × 19,472.40
  4. Step 4: Simplify right side
    35,388.29x = 950,959,870.76
  5. Step 5: Solve for x
    x = 950,959,870.76/35,388.29
  6. Step 6: Final answer
    x = 26,872.16

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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.