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Finding the Fourth Proportional to 87,697.63, 131,548.07 and 28,533.07

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Solution

The fourth proportional to 87,697.63, 131,548.07 and 28,533.07 is: 42,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,697.63 : 131,548.07 = 28,533.07 : x
  2. Step 2: Convert to fraction form
    87,697.63/131,548.07 = 28,533.07/x
  3. Step 3: Cross multiply
    87,697.63x = 131,548.07 × 28,533.07
  4. Step 4: Simplify right side
    87,697.63x = 3,753,470,289.67
  5. Step 5: Solve for x
    x = 3,753,470,289.67/87,697.63
  6. Step 6: Final answer
    x = 42,800.13

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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.