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Finding the Fourth Proportional to 58,005.93, 87,007.31 and 18,562.49

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Solution

The fourth proportional to 58,005.93, 87,007.31 and 18,562.49 is: 27,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,005.93 : 87,007.31 = 18,562.49 : x
  2. Step 2: Convert to fraction form
    58,005.93/87,007.31 = 18,562.49/x
  3. Step 3: Cross multiply
    58,005.93x = 87,007.31 × 18,562.49
  4. Step 4: Simplify right side
    58,005.93x = 1,615,071,793.95
  5. Step 5: Solve for x
    x = 1,615,071,793.95/58,005.93
  6. Step 6: Final answer
    x = 27,843.22

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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.