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Finding the Fourth Proportional to 1,831.41, 2,525.04 and 1,536.03

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Solution

The fourth proportional to 1,831.41, 2,525.04 and 1,536.03 is: 2,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.41 : 2,525.04 = 1,536.03 : x
  2. Step 2: Convert to fraction form
    1,831.41/2,525.04 = 1,536.03/x
  3. Step 3: Cross multiply
    1,831.41x = 2,525.04 × 1,536.03
  4. Step 4: Simplify right side
    1,831.41x = 3,878,537.19
  5. Step 5: Solve for x
    x = 3,878,537.19/1,831.41
  6. Step 6: Final answer
    x = 2,117.79

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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.