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Finding the Fourth Proportional to 1,176.73, 1,756.08 and 1,148.99

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Solution

The fourth proportional to 1,176.73, 1,756.08 and 1,148.99 is: 1,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.73 : 1,756.08 = 1,148.99 : x
  2. Step 2: Convert to fraction form
    1,176.73/1,756.08 = 1,148.99/x
  3. Step 3: Cross multiply
    1,176.73x = 1,756.08 × 1,148.99
  4. Step 4: Simplify right side
    1,176.73x = 2,017,709.58
  5. Step 5: Solve for x
    x = 2,017,709.58/1,176.73
  6. Step 6: Final answer
    x = 1,714.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.