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Finding the Fourth Proportional to 17,442.60, 26,128.86 and 8,069.48

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Solution

The fourth proportional to 17,442.60, 26,128.86 and 8,069.48 is: 12,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.60 : 26,128.86 = 8,069.48 : x
  2. Step 2: Convert to fraction form
    17,442.60/26,128.86 = 8,069.48/x
  3. Step 3: Cross multiply
    17,442.60x = 26,128.86 × 8,069.48
  4. Step 4: Simplify right side
    17,442.60x = 210,846,313.19
  5. Step 5: Solve for x
    x = 210,846,313.19/17,442.60
  6. Step 6: Final answer
    x = 12,088.01

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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.