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Finding the Fourth Proportional to 16,722.81, 25,085.16 and 7,367.22

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Solution

The fourth proportional to 16,722.81, 25,085.16 and 7,367.22 is: 11,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.81 : 25,085.16 = 7,367.22 : x
  2. Step 2: Convert to fraction form
    16,722.81/25,085.16 = 7,367.22/x
  3. Step 3: Cross multiply
    16,722.81x = 25,085.16 × 7,367.22
  4. Step 4: Simplify right side
    16,722.81x = 184,807,892.46
  5. Step 5: Solve for x
    x = 184,807,892.46/16,722.81
  6. Step 6: Final answer
    x = 11,051.25

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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.