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Finding the Fourth Proportional to 81,574.08, 122,346.48 and 22,402.08

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Solution

The fourth proportional to 81,574.08, 122,346.48 and 22,402.08 is: 33,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,574.08 : 122,346.48 = 22,402.08 : x
  2. Step 2: Convert to fraction form
    81,574.08/122,346.48 = 22,402.08/x
  3. Step 3: Cross multiply
    81,574.08x = 122,346.48 × 22,402.08
  4. Step 4: Simplify right side
    81,574.08x = 2,740,815,632.68
  5. Step 5: Solve for x
    x = 2,740,815,632.68/81,574.08
  6. Step 6: Final answer
    x = 33,599.10

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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.