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Finding the Fourth Proportional to 37,893.77, 56,840.85 and 9,811.86

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Solution

The fourth proportional to 37,893.77, 56,840.85 and 9,811.86 is: 14,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,893.77 : 56,840.85 = 9,811.86 : x
  2. Step 2: Convert to fraction form
    37,893.77/56,840.85 = 9,811.86/x
  3. Step 3: Cross multiply
    37,893.77x = 56,840.85 × 9,811.86
  4. Step 4: Simplify right side
    37,893.77x = 557,714,462.48
  5. Step 5: Solve for x
    x = 557,714,462.48/37,893.77
  6. Step 6: Final answer
    x = 14,717.84

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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.