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Finding the Fourth Proportional to 2,058.68, 3,088.01 and 498.68

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Solution

The fourth proportional to 2,058.68, 3,088.01 and 498.68 is: 748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.68 : 3,088.01 = 498.68 : x
  2. Step 2: Convert to fraction form
    2,058.68/3,088.01 = 498.68/x
  3. Step 3: Cross multiply
    2,058.68x = 3,088.01 × 498.68
  4. Step 4: Simplify right side
    2,058.68x = 1,539,942.49
  5. Step 5: Solve for x
    x = 1,539,942.49/2,058.68
  6. Step 6: Final answer
    x = 748.02

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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.