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Finding the Fourth Proportional to 1,833.48, 2,529.66 and 1,047.48

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Solution

The fourth proportional to 1,833.48, 2,529.66 and 1,047.48 is: 1,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.48 : 2,529.66 = 1,047.48 : x
  2. Step 2: Convert to fraction form
    1,833.48/2,529.66 = 1,047.48/x
  3. Step 3: Cross multiply
    1,833.48x = 2,529.66 × 1,047.48
  4. Step 4: Simplify right side
    1,833.48x = 2,649,768.26
  5. Step 5: Solve for x
    x = 2,649,768.26/1,833.48
  6. Step 6: Final answer
    x = 1,445.21

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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.