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Finding the Fourth Proportional to 37,607.94, 56,412.90 and 12,648.42

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Solution

The fourth proportional to 37,607.94, 56,412.90 and 12,648.42 is: 18,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,607.94 : 56,412.90 = 12,648.42 : x
  2. Step 2: Convert to fraction form
    37,607.94/56,412.90 = 12,648.42/x
  3. Step 3: Cross multiply
    37,607.94x = 56,412.90 × 12,648.42
  4. Step 4: Simplify right side
    37,607.94x = 713,534,052.62
  5. Step 5: Solve for x
    x = 713,534,052.62/37,607.94
  6. Step 6: Final answer
    x = 18,972.96

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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.