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Finding the Fourth Proportional to 9,885.13, 14,826.14 and 3,311.37

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Solution

The fourth proportional to 9,885.13, 14,826.14 and 3,311.37 is: 4,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.13 : 14,826.14 = 3,311.37 : x
  2. Step 2: Convert to fraction form
    9,885.13/14,826.14 = 3,311.37/x
  3. Step 3: Cross multiply
    9,885.13x = 14,826.14 × 3,311.37
  4. Step 4: Simplify right side
    9,885.13x = 49,094,831.07
  5. Step 5: Solve for x
    x = 49,094,831.07/9,885.13
  6. Step 6: Final answer
    x = 4,966.53

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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.