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Finding the Fourth Proportional to 23,682.40, 35,499.12 and 8,880.88

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Solution

The fourth proportional to 23,682.40, 35,499.12 and 8,880.88 is: 13,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,682.40 : 35,499.12 = 8,880.88 : x
  2. Step 2: Convert to fraction form
    23,682.40/35,499.12 = 8,880.88/x
  3. Step 3: Cross multiply
    23,682.40x = 35,499.12 × 8,880.88
  4. Step 4: Simplify right side
    23,682.40x = 315,263,424.83
  5. Step 5: Solve for x
    x = 315,263,424.83/23,682.40
  6. Step 6: Final answer
    x = 13,312.14

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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.