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Finding the Fourth Proportional to 37,878.98, 56,801.03 and 11,215.44

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Solution

The fourth proportional to 37,878.98, 56,801.03 and 11,215.44 is: 16,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.98 : 56,801.03 = 11,215.44 : x
  2. Step 2: Convert to fraction form
    37,878.98/56,801.03 = 11,215.44/x
  3. Step 3: Cross multiply
    37,878.98x = 56,801.03 × 11,215.44
  4. Step 4: Simplify right side
    37,878.98x = 637,048,487.83
  5. Step 5: Solve for x
    x = 637,048,487.83/37,878.98
  6. Step 6: Final answer
    x = 16,818.00

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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.