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Finding the Fourth Proportional to 5,827.50, 8,746.11 and 2,749.50

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Solution

The fourth proportional to 5,827.50, 8,746.11 and 2,749.50 is: 4,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.50 : 8,746.11 = 2,749.50 : x
  2. Step 2: Convert to fraction form
    5,827.50/8,746.11 = 2,749.50/x
  3. Step 3: Cross multiply
    5,827.50x = 8,746.11 × 2,749.50
  4. Step 4: Simplify right side
    5,827.50x = 24,047,429.45
  5. Step 5: Solve for x
    x = 24,047,429.45/5,827.50
  6. Step 6: Final answer
    x = 4,126.54

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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.