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Finding the Fourth Proportional to 28,902.10, 43,353.15 and 9,182.65

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Solution

The fourth proportional to 28,902.10, 43,353.15 and 9,182.65 is: 13,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.10 : 43,353.15 = 9,182.65 : x
  2. Step 2: Convert to fraction form
    28,902.10/43,353.15 = 9,182.65/x
  3. Step 3: Cross multiply
    28,902.10x = 43,353.15 × 9,182.65
  4. Step 4: Simplify right side
    28,902.10x = 398,096,802.85
  5. Step 5: Solve for x
    x = 398,096,802.85/28,902.10
  6. Step 6: Final answer
    x = 13,773.98

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Double scale
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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.