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Finding the Fourth Proportional to 9,281.48, 13,919.48 and 2,705.90

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Solution

The fourth proportional to 9,281.48, 13,919.48 and 2,705.90 is: 4,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.48 : 13,919.48 = 2,705.90 : x
  2. Step 2: Convert to fraction form
    9,281.48/13,919.48 = 2,705.90/x
  3. Step 3: Cross multiply
    9,281.48x = 13,919.48 × 2,705.90
  4. Step 4: Simplify right side
    9,281.48x = 37,664,720.93
  5. Step 5: Solve for x
    x = 37,664,720.93/9,281.48
  6. Step 6: Final answer
    x = 4,058.05

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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.