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Finding the Fourth Proportional to 4,831.06, 7,243.47 and 1,543.06

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Solution

The fourth proportional to 4,831.06, 7,243.47 and 1,543.06 is: 2,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.06 : 7,243.47 = 1,543.06 : x
  2. Step 2: Convert to fraction form
    4,831.06/7,243.47 = 1,543.06/x
  3. Step 3: Cross multiply
    4,831.06x = 7,243.47 × 1,543.06
  4. Step 4: Simplify right side
    4,831.06x = 11,177,108.82
  5. Step 5: Solve for x
    x = 11,177,108.82/4,831.06
  6. Step 6: Final answer
    x = 2,313.59

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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.