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Finding the Fourth Proportional to 35,398.59, 48,848.04 and 20,288.04

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Solution

The fourth proportional to 35,398.59, 48,848.04 and 20,288.04 is: 27,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.59 : 48,848.04 = 20,288.04 : x
  2. Step 2: Convert to fraction form
    35,398.59/48,848.04 = 20,288.04/x
  3. Step 3: Cross multiply
    35,398.59x = 48,848.04 × 20,288.04
  4. Step 4: Simplify right side
    35,398.59x = 991,030,989.44
  5. Step 5: Solve for x
    x = 991,030,989.44/35,398.59
  6. Step 6: Final answer
    x = 27,996.34

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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.