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Finding the Fourth Proportional to 72,606.85, 108,924.09 and 25,220.14

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Solution

The fourth proportional to 72,606.85, 108,924.09 and 25,220.14 is: 37,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,606.85 : 108,924.09 = 25,220.14 : x
  2. Step 2: Convert to fraction form
    72,606.85/108,924.09 = 25,220.14/x
  3. Step 3: Cross multiply
    72,606.85x = 108,924.09 × 25,220.14
  4. Step 4: Simplify right side
    72,606.85x = 2,747,080,799.17
  5. Step 5: Solve for x
    x = 2,747,080,799.17/72,606.85
  6. Step 6: Final answer
    x = 37,835.01

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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.