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Finding the Fourth Proportional to 8,812, 12,160.47 and 4,833.03

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Solution

The fourth proportional to 8,812, 12,160.47 and 4,833.03 is: 6,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812 : 12,160.47 = 4,833.03 : x
  2. Step 2: Convert to fraction form
    8,812/12,160.47 = 4,833.03/x
  3. Step 3: Cross multiply
    8,812x = 12,160.47 × 4,833.03
  4. Step 4: Simplify right side
    8,812x = 58,771,916.32
  5. Step 5: Solve for x
    x = 58,771,916.32/8,812
  6. Step 6: Final answer
    x = 6,669.53

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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.