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Finding the Fourth Proportional to 17,930.92, 26,875.32 and 8,058.64

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Solution

The fourth proportional to 17,930.92, 26,875.32 and 8,058.64 is: 12,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.92 : 26,875.32 = 8,058.64 : x
  2. Step 2: Convert to fraction form
    17,930.92/26,875.32 = 8,058.64/x
  3. Step 3: Cross multiply
    17,930.92x = 26,875.32 × 8,058.64
  4. Step 4: Simplify right side
    17,930.92x = 216,578,528.76
  5. Step 5: Solve for x
    x = 216,578,528.76/17,930.92
  6. Step 6: Final answer
    x = 12,078.50

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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.