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Finding the Fourth Proportional to 1,855.76, 2,784.94 and 1,034.68

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Solution

The fourth proportional to 1,855.76, 2,784.94 and 1,034.68 is: 1,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.76 : 2,784.94 = 1,034.68 : x
  2. Step 2: Convert to fraction form
    1,855.76/2,784.94 = 1,034.68/x
  3. Step 3: Cross multiply
    1,855.76x = 2,784.94 × 1,034.68
  4. Step 4: Simplify right side
    1,855.76x = 2,881,521.72
  5. Step 5: Solve for x
    x = 2,881,521.72/1,855.76
  6. Step 6: Final answer
    x = 1,552.74

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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.