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Finding the Fourth Proportional to 9,068.16, 13,605.12 and 6,879.36

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Solution

The fourth proportional to 9,068.16, 13,605.12 and 6,879.36 is: 10,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.16 : 13,605.12 = 6,879.36 : x
  2. Step 2: Convert to fraction form
    9,068.16/13,605.12 = 6,879.36/x
  3. Step 3: Cross multiply
    9,068.16x = 13,605.12 × 6,879.36
  4. Step 4: Simplify right side
    9,068.16x = 93,594,518.32
  5. Step 5: Solve for x
    x = 93,594,518.32/9,068.16
  6. Step 6: Final answer
    x = 10,321.22

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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.