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Finding the Fourth Proportional to 6,831.98, 10,246.95 and 1,901.11

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Solution

The fourth proportional to 6,831.98, 10,246.95 and 1,901.11 is: 2,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.98 : 10,246.95 = 1,901.11 : x
  2. Step 2: Convert to fraction form
    6,831.98/10,246.95 = 1,901.11/x
  3. Step 3: Cross multiply
    6,831.98x = 10,246.95 × 1,901.11
  4. Step 4: Simplify right side
    6,831.98x = 19,480,579.11
  5. Step 5: Solve for x
    x = 19,480,579.11/6,831.98
  6. Step 6: Final answer
    x = 2,851.38

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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.