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Finding the Fourth Proportional to 37,999.77, 56,990.97 and 14,309.81

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Solution

The fourth proportional to 37,999.77, 56,990.97 and 14,309.81 is: 21,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.77 : 56,990.97 = 14,309.81 : x
  2. Step 2: Convert to fraction form
    37,999.77/56,990.97 = 14,309.81/x
  3. Step 3: Cross multiply
    37,999.77x = 56,990.97 × 14,309.81
  4. Step 4: Simplify right side
    37,999.77x = 815,529,952.42
  5. Step 5: Solve for x
    x = 815,529,952.42/37,999.77
  6. Step 6: Final answer
    x = 21,461.45

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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.