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Finding the Fourth Proportional to 26,603.92, 36,715.60 and 14,669.60

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Solution

The fourth proportional to 26,603.92, 36,715.60 and 14,669.60 is: 20,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.92 : 36,715.60 = 14,669.60 : x
  2. Step 2: Convert to fraction form
    26,603.92/36,715.60 = 14,669.60/x
  3. Step 3: Cross multiply
    26,603.92x = 36,715.60 × 14,669.60
  4. Step 4: Simplify right side
    26,603.92x = 538,603,165.76
  5. Step 5: Solve for x
    x = 538,603,165.76/26,603.92
  6. Step 6: Final answer
    x = 20,245.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.