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Finding the Fourth Proportional to 60,608.98, 90,927.78 and 19,055.98

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Solution

The fourth proportional to 60,608.98, 90,927.78 and 19,055.98 is: 28,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,608.98 : 90,927.78 = 19,055.98 : x
  2. Step 2: Convert to fraction form
    60,608.98/90,927.78 = 19,055.98/x
  3. Step 3: Cross multiply
    60,608.98x = 90,927.78 × 19,055.98
  4. Step 4: Simplify right side
    60,608.98x = 1,732,717,957.12
  5. Step 5: Solve for x
    x = 1,732,717,957.12/60,608.98
  6. Step 6: Final answer
    x = 28,588.47

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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.