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Finding the Fourth Proportional to 18,597.98, 27,896.98 and 4,746.98

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Solution

The fourth proportional to 18,597.98, 27,896.98 and 4,746.98 is: 7,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.98 : 27,896.98 = 4,746.98 : x
  2. Step 2: Convert to fraction form
    18,597.98/27,896.98 = 4,746.98/x
  3. Step 3: Cross multiply
    18,597.98x = 27,896.98 × 4,746.98
  4. Step 4: Simplify right side
    18,597.98x = 132,426,464.00
  5. Step 5: Solve for x
    x = 132,426,464.00/18,597.98
  6. Step 6: Final answer
    x = 7,120.47

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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.