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Finding the Fourth Proportional to 38,001.56, 56,992.56 and 17,991.32

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Solution

The fourth proportional to 38,001.56, 56,992.56 and 17,991.32 is: 26,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.56 : 56,992.56 = 17,991.32 : x
  2. Step 2: Convert to fraction form
    38,001.56/56,992.56 = 17,991.32/x
  3. Step 3: Cross multiply
    38,001.56x = 56,992.56 × 17,991.32
  4. Step 4: Simplify right side
    38,001.56x = 1,025,371,384.58
  5. Step 5: Solve for x
    x = 1,025,371,384.58/38,001.56
  6. Step 6: Final answer
    x = 26,982.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.