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Finding the Fourth Proportional to 1,581, 2,367.16 and 1,060.28

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Solution

The fourth proportional to 1,581, 2,367.16 and 1,060.28 is: 1,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581 : 2,367.16 = 1,060.28 : x
  2. Step 2: Convert to fraction form
    1,581/2,367.16 = 1,060.28/x
  3. Step 3: Cross multiply
    1,581x = 2,367.16 × 1,060.28
  4. Step 4: Simplify right side
    1,581x = 2,509,852.40
  5. Step 5: Solve for x
    x = 2,509,852.40/1,581
  6. Step 6: Final answer
    x = 1,587.51

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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.