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Finding the Fourth Proportional to 37,638.18, 56,461.06 and 9,936.18

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Solution

The fourth proportional to 37,638.18, 56,461.06 and 9,936.18 is: 14,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.18 : 56,461.06 = 9,936.18 : x
  2. Step 2: Convert to fraction form
    37,638.18/56,461.06 = 9,936.18/x
  3. Step 3: Cross multiply
    37,638.18x = 56,461.06 × 9,936.18
  4. Step 4: Simplify right side
    37,638.18x = 561,007,255.15
  5. Step 5: Solve for x
    x = 561,007,255.15/37,638.18
  6. Step 6: Final answer
    x = 14,905.27

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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.