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Finding the Fourth Proportional to 8,625.35, 12,927.90 and 8,533.01

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Solution

The fourth proportional to 8,625.35, 12,927.90 and 8,533.01 is: 12,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.35 : 12,927.90 = 8,533.01 : x
  2. Step 2: Convert to fraction form
    8,625.35/12,927.90 = 8,533.01/x
  3. Step 3: Cross multiply
    8,625.35x = 12,927.90 × 8,533.01
  4. Step 4: Simplify right side
    8,625.35x = 110,313,899.98
  5. Step 5: Solve for x
    x = 110,313,899.98/8,625.35
  6. Step 6: Final answer
    x = 12,789.50

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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.