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Finding the Fourth Proportional to 17,132.94, 25,699.32 and 8,815.32

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Solution

The fourth proportional to 17,132.94, 25,699.32 and 8,815.32 is: 13,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.94 : 25,699.32 = 8,815.32 : x
  2. Step 2: Convert to fraction form
    17,132.94/25,699.32 = 8,815.32/x
  3. Step 3: Cross multiply
    17,132.94x = 25,699.32 × 8,815.32
  4. Step 4: Simplify right side
    17,132.94x = 226,547,729.58
  5. Step 5: Solve for x
    x = 226,547,729.58/17,132.94
  6. Step 6: Final answer
    x = 13,222.93

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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.