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Finding the Fourth Proportional to 1,166.58, 1,746.77 and 982.06

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Solution

The fourth proportional to 1,166.58, 1,746.77 and 982.06 is: 1,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.58 : 1,746.77 = 982.06 : x
  2. Step 2: Convert to fraction form
    1,166.58/1,746.77 = 982.06/x
  3. Step 3: Cross multiply
    1,166.58x = 1,746.77 × 982.06
  4. Step 4: Simplify right side
    1,166.58x = 1,715,423.67
  5. Step 5: Solve for x
    x = 1,715,423.67/1,166.58
  6. Step 6: Final answer
    x = 1,470.47

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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.