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Finding the Fourth Proportional to 8,384.64, 11,571.30 and 4,849.08

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Solution

The fourth proportional to 8,384.64, 11,571.30 and 4,849.08 is: 6,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.64 : 11,571.30 = 4,849.08 : x
  2. Step 2: Convert to fraction form
    8,384.64/11,571.30 = 4,849.08/x
  3. Step 3: Cross multiply
    8,384.64x = 11,571.30 × 4,849.08
  4. Step 4: Simplify right side
    8,384.64x = 56,110,159.40
  5. Step 5: Solve for x
    x = 56,110,159.40/8,384.64
  6. Step 6: Final answer
    x = 6,692.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.