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Finding the Fourth Proportional to 1,068.01, 1,593.74 and 1,059.91

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Solution

The fourth proportional to 1,068.01, 1,593.74 and 1,059.91 is: 1,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.01 : 1,593.74 = 1,059.91 : x
  2. Step 2: Convert to fraction form
    1,068.01/1,593.74 = 1,059.91/x
  3. Step 3: Cross multiply
    1,068.01x = 1,593.74 × 1,059.91
  4. Step 4: Simplify right side
    1,068.01x = 1,689,220.96
  5. Step 5: Solve for x
    x = 1,689,220.96/1,068.01
  6. Step 6: Final answer
    x = 1,581.65

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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.