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Finding the Fourth Proportional to 8,390.08, 12,594.84 and 4,502.08

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Solution

The fourth proportional to 8,390.08, 12,594.84 and 4,502.08 is: 6,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.08 : 12,594.84 = 4,502.08 : x
  2. Step 2: Convert to fraction form
    8,390.08/12,594.84 = 4,502.08/x
  3. Step 3: Cross multiply
    8,390.08x = 12,594.84 × 4,502.08
  4. Step 4: Simplify right side
    8,390.08x = 56,702,977.27
  5. Step 5: Solve for x
    x = 56,702,977.27/8,390.08
  6. Step 6: Final answer
    x = 6,758.34

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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.