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Finding the Fourth Proportional to 1,853.63, 2,558.00 and 1,068.13

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Solution

The fourth proportional to 1,853.63, 2,558.00 and 1,068.13 is: 1,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.63 : 2,558.00 = 1,068.13 : x
  2. Step 2: Convert to fraction form
    1,853.63/2,558.00 = 1,068.13/x
  3. Step 3: Cross multiply
    1,853.63x = 2,558.00 × 1,068.13
  4. Step 4: Simplify right side
    1,853.63x = 2,732,272.82
  5. Step 5: Solve for x
    x = 2,732,272.82/1,853.63
  6. Step 6: Final answer
    x = 1,474.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.