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Finding the Fourth Proportional to 8,812.30, 12,161 and 4,833.44

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Solution

The fourth proportional to 8,812.30, 12,161 and 4,833.44 is: 6,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.30 : 12,161 = 4,833.44 : x
  2. Step 2: Convert to fraction form
    8,812.30/12,161 = 4,833.44/x
  3. Step 3: Cross multiply
    8,812.30x = 12,161 × 4,833.44
  4. Step 4: Simplify right side
    8,812.30x = 58,779,463.84
  5. Step 5: Solve for x
    x = 58,779,463.84/8,812.30
  6. Step 6: Final answer
    x = 6,670.16

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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.