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Finding the Fourth Proportional to 26,014.70, 39,018.09 and 8,484.50

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Solution

The fourth proportional to 26,014.70, 39,018.09 and 8,484.50 is: 12,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,014.70 : 39,018.09 = 8,484.50 : x
  2. Step 2: Convert to fraction form
    26,014.70/39,018.09 = 8,484.50/x
  3. Step 3: Cross multiply
    26,014.70x = 39,018.09 × 8,484.50
  4. Step 4: Simplify right side
    26,014.70x = 331,048,984.61
  5. Step 5: Solve for x
    x = 331,048,984.61/26,014.70
  6. Step 6: Final answer
    x = 12,725.46

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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.