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Finding the Fourth Proportional to 30,490.01, 45,675.83 and 22,470.22

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Solution

The fourth proportional to 30,490.01, 45,675.83 and 22,470.22 is: 33,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.01 : 45,675.83 = 22,470.22 : x
  2. Step 2: Convert to fraction form
    30,490.01/45,675.83 = 22,470.22/x
  3. Step 3: Cross multiply
    30,490.01x = 45,675.83 × 22,470.22
  4. Step 4: Simplify right side
    30,490.01x = 1,026,345,948.78
  5. Step 5: Solve for x
    x = 1,026,345,948.78/30,490.01
  6. Step 6: Final answer
    x = 33,661.71

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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.