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Finding the Fourth Proportional to 60,554.81, 90,846.90 and 19,001.81

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Solution

The fourth proportional to 60,554.81, 90,846.90 and 19,001.81 is: 28,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,554.81 : 90,846.90 = 19,001.81 : x
  2. Step 2: Convert to fraction form
    60,554.81/90,846.90 = 19,001.81/x
  3. Step 3: Cross multiply
    60,554.81x = 90,846.90 × 19,001.81
  4. Step 4: Simplify right side
    60,554.81x = 1,726,255,760.01
  5. Step 5: Solve for x
    x = 1,726,255,760.01/60,554.81
  6. Step 6: Final answer
    x = 28,507.33

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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.