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Finding the Fourth Proportional to 17,217.30, 25,828.64 and 7,356.64

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Solution

The fourth proportional to 17,217.30, 25,828.64 and 7,356.64 is: 11,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.30 : 25,828.64 = 7,356.64 : x
  2. Step 2: Convert to fraction form
    17,217.30/25,828.64 = 7,356.64/x
  3. Step 3: Cross multiply
    17,217.30x = 25,828.64 × 7,356.64
  4. Step 4: Simplify right side
    17,217.30x = 190,012,006.17
  5. Step 5: Solve for x
    x = 190,012,006.17/17,217.30
  6. Step 6: Final answer
    x = 11,036.11

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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.