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Finding the Fourth Proportional to 8,352.64, 12,518.02 and 3,416.50

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Solution

The fourth proportional to 8,352.64, 12,518.02 and 3,416.50 is: 5,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.64 : 12,518.02 = 3,416.50 : x
  2. Step 2: Convert to fraction form
    8,352.64/12,518.02 = 3,416.50/x
  3. Step 3: Cross multiply
    8,352.64x = 12,518.02 × 3,416.50
  4. Step 4: Simplify right side
    8,352.64x = 42,767,735.66
  5. Step 5: Solve for x
    x = 42,767,735.66/8,352.64
  6. Step 6: Final answer
    x = 5,120.27

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1.5x scale

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.