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Finding the Fourth Proportional to 60,018.78, 90,105.93 and 37,876.62

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Solution

The fourth proportional to 60,018.78, 90,105.93 and 37,876.62 is: 56,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.78 : 90,105.93 = 37,876.62 : x
  2. Step 2: Convert to fraction form
    60,018.78/90,105.93 = 37,876.62/x
  3. Step 3: Cross multiply
    60,018.78x = 90,105.93 × 37,876.62
  4. Step 4: Simplify right side
    60,018.78x = 3,412,908,070.36
  5. Step 5: Solve for x
    x = 3,412,908,070.36/60,018.78
  6. Step 6: Final answer
    x = 56,864.00

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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.