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Finding the Fourth Proportional to 10,504.15, 15,753.08 and 8,650.67

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Solution

The fourth proportional to 10,504.15, 15,753.08 and 8,650.67 is: 12,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.15 : 15,753.08 = 8,650.67 : x
  2. Step 2: Convert to fraction form
    10,504.15/15,753.08 = 8,650.67/x
  3. Step 3: Cross multiply
    10,504.15x = 15,753.08 × 8,650.67
  4. Step 4: Simplify right side
    10,504.15x = 136,274,639.42
  5. Step 5: Solve for x
    x = 136,274,639.42/10,504.15
  6. Step 6: Final answer
    x = 12,973.41

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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.