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Finding the Fourth Proportional to 73,602.83, 110,419.34 and 28,623.13

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Solution

The fourth proportional to 73,602.83, 110,419.34 and 28,623.13 is: 42,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602.83 : 110,419.34 = 28,623.13 : x
  2. Step 2: Convert to fraction form
    73,602.83/110,419.34 = 28,623.13/x
  3. Step 3: Cross multiply
    73,602.83x = 110,419.34 × 28,623.13
  4. Step 4: Simplify right side
    73,602.83x = 3,160,546,704.17
  5. Step 5: Solve for x
    x = 3,160,546,704.17/73,602.83
  6. Step 6: Final answer
    x = 42,940.56

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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.