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Finding the Fourth Proportional to 1,110.13, 1,527.46 and 910.23

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Solution

The fourth proportional to 1,110.13, 1,527.46 and 910.23 is: 1,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.13 : 1,527.46 = 910.23 : x
  2. Step 2: Convert to fraction form
    1,110.13/1,527.46 = 910.23/x
  3. Step 3: Cross multiply
    1,110.13x = 1,527.46 × 910.23
  4. Step 4: Simplify right side
    1,110.13x = 1,390,337.64
  5. Step 5: Solve for x
    x = 1,390,337.64/1,110.13
  6. Step 6: Final answer
    x = 1,252.41

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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.