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Finding the Fourth Proportional to 17,442.96, 26,164.44 and 5,130.96

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Solution

The fourth proportional to 17,442.96, 26,164.44 and 5,130.96 is: 7,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.96 : 26,164.44 = 5,130.96 : x
  2. Step 2: Convert to fraction form
    17,442.96/26,164.44 = 5,130.96/x
  3. Step 3: Cross multiply
    17,442.96x = 26,164.44 × 5,130.96
  4. Step 4: Simplify right side
    17,442.96x = 134,248,695.06
  5. Step 5: Solve for x
    x = 134,248,695.06/17,442.96
  6. Step 6: Final answer
    x = 7,696.44

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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.