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Finding the Fourth Proportional to 23,409.15, 35,097.32 and 8,616.15

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Solution

The fourth proportional to 23,409.15, 35,097.32 and 8,616.15 is: 12,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,409.15 : 35,097.32 = 8,616.15 : x
  2. Step 2: Convert to fraction form
    23,409.15/35,097.32 = 8,616.15/x
  3. Step 3: Cross multiply
    23,409.15x = 35,097.32 × 8,616.15
  4. Step 4: Simplify right side
    23,409.15x = 302,403,730.64
  5. Step 5: Solve for x
    x = 302,403,730.64/23,409.15
  6. Step 6: Final answer
    x = 12,918.19

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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.