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Finding the Fourth Proportional to 37,703.59, 56,546.05 and 12,743.09

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Solution

The fourth proportional to 37,703.59, 56,546.05 and 12,743.09 is: 19,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,703.59 : 56,546.05 = 12,743.09 : x
  2. Step 2: Convert to fraction form
    37,703.59/56,546.05 = 12,743.09/x
  3. Step 3: Cross multiply
    37,703.59x = 56,546.05 × 12,743.09
  4. Step 4: Simplify right side
    37,703.59x = 720,571,325.65
  5. Step 5: Solve for x
    x = 720,571,325.65/37,703.59
  6. Step 6: Final answer
    x = 19,111.48

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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.