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Finding the Fourth Proportional to 5,885.82, 8,831.40 and 2,927.21

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Solution

The fourth proportional to 5,885.82, 8,831.40 and 2,927.21 is: 4,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.82 : 8,831.40 = 2,927.21 : x
  2. Step 2: Convert to fraction form
    5,885.82/8,831.40 = 2,927.21/x
  3. Step 3: Cross multiply
    5,885.82x = 8,831.40 × 2,927.21
  4. Step 4: Simplify right side
    5,885.82x = 25,851,362.39
  5. Step 5: Solve for x
    x = 25,851,362.39/5,885.82
  6. Step 6: Final answer
    x = 4,392.14

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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.