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Finding the Fourth Proportional to 28,492.29, 42,744.92 and 8,773.65

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Solution

The fourth proportional to 28,492.29, 42,744.92 and 8,773.65 is: 13,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.29 : 42,744.92 = 8,773.65 : x
  2. Step 2: Convert to fraction form
    28,492.29/42,744.92 = 8,773.65/x
  3. Step 3: Cross multiply
    28,492.29x = 42,744.92 × 8,773.65
  4. Step 4: Simplify right side
    28,492.29x = 375,028,923.49
  5. Step 5: Solve for x
    x = 375,028,923.49/28,492.29
  6. Step 6: Final answer
    x = 13,162.47

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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.