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Finding the Fourth Proportional to 19,062.93, 28,597.99 and 7,220.25

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Solution

The fourth proportional to 19,062.93, 28,597.99 and 7,220.25 is: 10,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.93 : 28,597.99 = 7,220.25 : x
  2. Step 2: Convert to fraction form
    19,062.93/28,597.99 = 7,220.25/x
  3. Step 3: Cross multiply
    19,062.93x = 28,597.99 × 7,220.25
  4. Step 4: Simplify right side
    19,062.93x = 206,484,485.19
  5. Step 5: Solve for x
    x = 206,484,485.19/19,062.93
  6. Step 6: Final answer
    x = 10,831.73

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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.