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Finding the Fourth Proportional to 73,560.66, 110,342.01 and 20,970.14

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Solution

The fourth proportional to 73,560.66, 110,342.01 and 20,970.14 is: 31,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,560.66 : 110,342.01 = 20,970.14 : x
  2. Step 2: Convert to fraction form
    73,560.66/110,342.01 = 20,970.14/x
  3. Step 3: Cross multiply
    73,560.66x = 110,342.01 × 20,970.14
  4. Step 4: Simplify right side
    73,560.66x = 2,313,887,456.72
  5. Step 5: Solve for x
    x = 2,313,887,456.72/73,560.66
  6. Step 6: Final answer
    x = 31,455.50

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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.