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Finding the Fourth Proportional to 1,310.06, 1,966.37 and 962.41

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Solution

The fourth proportional to 1,310.06, 1,966.37 and 962.41 is: 1,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.06 : 1,966.37 = 962.41 : x
  2. Step 2: Convert to fraction form
    1,310.06/1,966.37 = 962.41/x
  3. Step 3: Cross multiply
    1,310.06x = 1,966.37 × 962.41
  4. Step 4: Simplify right side
    1,310.06x = 1,892,461.47
  5. Step 5: Solve for x
    x = 1,892,461.47/1,310.06
  6. Step 6: Final answer
    x = 1,444.57

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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.