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Finding the Fourth Proportional to 60,019.78, 90,107.43 and 37,877.62

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Solution

The fourth proportional to 60,019.78, 90,107.43 and 37,877.62 is: 56,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,019.78 : 90,107.43 = 37,877.62 : x
  2. Step 2: Convert to fraction form
    60,019.78/90,107.43 = 37,877.62/x
  3. Step 3: Cross multiply
    60,019.78x = 90,107.43 × 37,877.62
  4. Step 4: Simplify right side
    60,019.78x = 3,413,054,992.72
  5. Step 5: Solve for x
    x = 3,413,054,992.72/60,019.78
  6. Step 6: Final answer
    x = 56,865.50

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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.