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Finding the Fourth Proportional to 5,693.76, 7,853.76 and 3,335.76

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Solution

The fourth proportional to 5,693.76, 7,853.76 and 3,335.76 is: 4,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.76 : 7,853.76 = 3,335.76 : x
  2. Step 2: Convert to fraction form
    5,693.76/7,853.76 = 3,335.76/x
  3. Step 3: Cross multiply
    5,693.76x = 7,853.76 × 3,335.76
  4. Step 4: Simplify right side
    5,693.76x = 26,198,258.46
  5. Step 5: Solve for x
    x = 26,198,258.46/5,693.76
  6. Step 6: Final answer
    x = 4,601.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.