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Finding the Fourth Proportional to 60,574.88, 90,867.44 and 19,021.92

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Solution

The fourth proportional to 60,574.88, 90,867.44 and 19,021.92 is: 28,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.88 : 90,867.44 = 19,021.92 : x
  2. Step 2: Convert to fraction form
    60,574.88/90,867.44 = 19,021.92/x
  3. Step 3: Cross multiply
    60,574.88x = 90,867.44 × 19,021.92
  4. Step 4: Simplify right side
    60,574.88x = 1,728,473,174.28
  5. Step 5: Solve for x
    x = 1,728,473,174.28/60,574.88
  6. Step 6: Final answer
    x = 28,534.49

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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.