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Finding the Fourth Proportional to 2,492.70, 3,739.04 and 2,058.94

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Solution

The fourth proportional to 2,492.70, 3,739.04 and 2,058.94 is: 3,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.70 : 3,739.04 = 2,058.94 : x
  2. Step 2: Convert to fraction form
    2,492.70/3,739.04 = 2,058.94/x
  3. Step 3: Cross multiply
    2,492.70x = 3,739.04 × 2,058.94
  4. Step 4: Simplify right side
    2,492.70x = 7,698,459.02
  5. Step 5: Solve for x
    x = 7,698,459.02/2,492.70
  6. Step 6: Final answer
    x = 3,088.40

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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.