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Finding the Fourth Proportional to 18,603.11, 27,904.07 and 4,563.17

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Solution

The fourth proportional to 18,603.11, 27,904.07 and 4,563.17 is: 6,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.11 : 27,904.07 = 4,563.17 : x
  2. Step 2: Convert to fraction form
    18,603.11/27,904.07 = 4,563.17/x
  3. Step 3: Cross multiply
    18,603.11x = 27,904.07 × 4,563.17
  4. Step 4: Simplify right side
    18,603.11x = 127,330,852.77
  5. Step 5: Solve for x
    x = 127,330,852.77/18,603.11
  6. Step 6: Final answer
    x = 6,844.60

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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.