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Finding the Fourth Proportional to 8,698.66, 13,048.84 and 2,458.72

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Solution

The fourth proportional to 8,698.66, 13,048.84 and 2,458.72 is: 3,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.66 : 13,048.84 = 2,458.72 : x
  2. Step 2: Convert to fraction form
    8,698.66/13,048.84 = 2,458.72/x
  3. Step 3: Cross multiply
    8,698.66x = 13,048.84 × 2,458.72
  4. Step 4: Simplify right side
    8,698.66x = 32,083,443.88
  5. Step 5: Solve for x
    x = 32,083,443.88/8,698.66
  6. Step 6: Final answer
    x = 3,688.32

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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.