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Finding the Fourth Proportional to 28,808.51, 43,181.51 and 14,749.25

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Solution

The fourth proportional to 28,808.51, 43,181.51 and 14,749.25 is: 22,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.51 : 43,181.51 = 14,749.25 : x
  2. Step 2: Convert to fraction form
    28,808.51/43,181.51 = 14,749.25/x
  3. Step 3: Cross multiply
    28,808.51x = 43,181.51 × 14,749.25
  4. Step 4: Simplify right side
    28,808.51x = 636,894,596.71
  5. Step 5: Solve for x
    x = 636,894,596.71/28,808.51
  6. Step 6: Final answer
    x = 22,107.87

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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.