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Finding the Fourth Proportional to 18,848.27, 28,252.73 and 6,364.00

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Solution

The fourth proportional to 18,848.27, 28,252.73 and 6,364.00 is: 9,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.27 : 28,252.73 = 6,364.00 : x
  2. Step 2: Convert to fraction form
    18,848.27/28,252.73 = 6,364.00/x
  3. Step 3: Cross multiply
    18,848.27x = 28,252.73 × 6,364.00
  4. Step 4: Simplify right side
    18,848.27x = 179,800,319.00
  5. Step 5: Solve for x
    x = 179,800,319.00/18,848.27
  6. Step 6: Final answer
    x = 9,539.35

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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.