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Finding the Fourth Proportional to 33,190.80, 45,798.16 and 19,040.91

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Solution

The fourth proportional to 33,190.80, 45,798.16 and 19,040.91 is: 26,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,190.80 : 45,798.16 = 19,040.91 : x
  2. Step 2: Convert to fraction form
    33,190.80/45,798.16 = 19,040.91/x
  3. Step 3: Cross multiply
    33,190.80x = 45,798.16 × 19,040.91
  4. Step 4: Simplify right side
    33,190.80x = 872,038,459.08
  5. Step 5: Solve for x
    x = 872,038,459.08/33,190.80
  6. Step 6: Final answer
    x = 26,273.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.