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Finding the Fourth Proportional to 8,555.36, 12,833.03 and 6,230.16

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Solution

The fourth proportional to 8,555.36, 12,833.03 and 6,230.16 is: 9,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.36 : 12,833.03 = 6,230.16 : x
  2. Step 2: Convert to fraction form
    8,555.36/12,833.03 = 6,230.16/x
  3. Step 3: Cross multiply
    8,555.36x = 12,833.03 × 6,230.16
  4. Step 4: Simplify right side
    8,555.36x = 79,951,830.18
  5. Step 5: Solve for x
    x = 79,951,830.18/8,555.36
  6. Step 6: Final answer
    x = 9,345.23

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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.