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Finding the Fourth Proportional to 36,903.99, 55,357.70 and 11,946.00

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Solution

The fourth proportional to 36,903.99, 55,357.70 and 11,946.00 is: 17,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.99 : 55,357.70 = 11,946.00 : x
  2. Step 2: Convert to fraction form
    36,903.99/55,357.70 = 11,946.00/x
  3. Step 3: Cross multiply
    36,903.99x = 55,357.70 × 11,946.00
  4. Step 4: Simplify right side
    36,903.99x = 661,302,920.67
  5. Step 5: Solve for x
    x = 661,302,920.67/36,903.99
  6. Step 6: Final answer
    x = 17,919.55

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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.