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Finding the Fourth Proportional to 28,798.77, 43,201.77 and 11,266.32

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Solution

The fourth proportional to 28,798.77, 43,201.77 and 11,266.32 is: 16,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.77 : 43,201.77 = 11,266.32 : x
  2. Step 2: Convert to fraction form
    28,798.77/43,201.77 = 11,266.32/x
  3. Step 3: Cross multiply
    28,798.77x = 43,201.77 × 11,266.32
  4. Step 4: Simplify right side
    28,798.77x = 486,724,965.39
  5. Step 5: Solve for x
    x = 486,724,965.39/28,798.77
  6. Step 6: Final answer
    x = 16,900.89

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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.