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Finding the Fourth Proportional to 8,784.76, 13,156.03 and 5,025.15

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Solution

The fourth proportional to 8,784.76, 13,156.03 and 5,025.15 is: 7,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.76 : 13,156.03 = 5,025.15 : x
  2. Step 2: Convert to fraction form
    8,784.76/13,156.03 = 5,025.15/x
  3. Step 3: Cross multiply
    8,784.76x = 13,156.03 × 5,025.15
  4. Step 4: Simplify right side
    8,784.76x = 66,110,933.25
  5. Step 5: Solve for x
    x = 66,110,933.25/8,784.76
  6. Step 6: Final answer
    x = 7,525.64

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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.