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Finding the Fourth Proportional to 5,652.64, 8,506.56 and 5,115.52

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Solution

The fourth proportional to 5,652.64, 8,506.56 and 5,115.52 is: 7,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.64 : 8,506.56 = 5,115.52 : x
  2. Step 2: Convert to fraction form
    5,652.64/8,506.56 = 5,115.52/x
  3. Step 3: Cross multiply
    5,652.64x = 8,506.56 × 5,115.52
  4. Step 4: Simplify right side
    5,652.64x = 43,515,477.81
  5. Step 5: Solve for x
    x = 43,515,477.81/5,652.64
  6. Step 6: Final answer
    x = 7,698.26

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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.