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Finding the Fourth Proportional to 8,532.45, 12,800.43 and 3,602.07

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Solution

The fourth proportional to 8,532.45, 12,800.43 and 3,602.07 is: 5,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.45 : 12,800.43 = 3,602.07 : x
  2. Step 2: Convert to fraction form
    8,532.45/12,800.43 = 3,602.07/x
  3. Step 3: Cross multiply
    8,532.45x = 12,800.43 × 3,602.07
  4. Step 4: Simplify right side
    8,532.45x = 46,108,044.89
  5. Step 5: Solve for x
    x = 46,108,044.89/8,532.45
  6. Step 6: Final answer
    x = 5,403.85

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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.