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Finding the Fourth Proportional to 7,901.92, 11,852.88 and 2,058.58

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Solution

The fourth proportional to 7,901.92, 11,852.88 and 2,058.58 is: 3,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.92 : 11,852.88 = 2,058.58 : x
  2. Step 2: Convert to fraction form
    7,901.92/11,852.88 = 2,058.58/x
  3. Step 3: Cross multiply
    7,901.92x = 11,852.88 × 2,058.58
  4. Step 4: Simplify right side
    7,901.92x = 24,400,101.71
  5. Step 5: Solve for x
    x = 24,400,101.71/7,901.92
  6. Step 6: Final answer
    x = 3,087.87

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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.