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Finding the Fourth Proportional to 19,203.76, 28,805.64 and 6,057.46

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Solution

The fourth proportional to 19,203.76, 28,805.64 and 6,057.46 is: 9,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.76 : 28,805.64 = 6,057.46 : x
  2. Step 2: Convert to fraction form
    19,203.76/28,805.64 = 6,057.46/x
  3. Step 3: Cross multiply
    19,203.76x = 28,805.64 × 6,057.46
  4. Step 4: Simplify right side
    19,203.76x = 174,489,012.07
  5. Step 5: Solve for x
    x = 174,489,012.07/19,203.76
  6. Step 6: Final answer
    x = 9,086.19

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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.