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Finding the Fourth Proportional to 6,173.64, 8,518.02 and 3,520.08

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Solution

The fourth proportional to 6,173.64, 8,518.02 and 3,520.08 is: 4,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.64 : 8,518.02 = 3,520.08 : x
  2. Step 2: Convert to fraction form
    6,173.64/8,518.02 = 3,520.08/x
  3. Step 3: Cross multiply
    6,173.64x = 8,518.02 × 3,520.08
  4. Step 4: Simplify right side
    6,173.64x = 29,984,111.84
  5. Step 5: Solve for x
    x = 29,984,111.84/6,173.64
  6. Step 6: Final answer
    x = 4,856.80

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1.5x scale

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.