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Finding the Fourth Proportional to 5,831.83, 8,791.70 and 5,455.99

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Solution

The fourth proportional to 5,831.83, 8,791.70 and 5,455.99 is: 8,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.83 : 8,791.70 = 5,455.99 : x
  2. Step 2: Convert to fraction form
    5,831.83/8,791.70 = 5,455.99/x
  3. Step 3: Cross multiply
    5,831.83x = 8,791.70 × 5,455.99
  4. Step 4: Simplify right side
    5,831.83x = 47,967,427.28
  5. Step 5: Solve for x
    x = 47,967,427.28/5,831.83
  6. Step 6: Final answer
    x = 8,225.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.