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Finding the Fourth Proportional to 18,303.34, 27,454.98 and 6,465.86

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Solution

The fourth proportional to 18,303.34, 27,454.98 and 6,465.86 is: 9,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.34 : 27,454.98 = 6,465.86 : x
  2. Step 2: Convert to fraction form
    18,303.34/27,454.98 = 6,465.86/x
  3. Step 3: Cross multiply
    18,303.34x = 27,454.98 × 6,465.86
  4. Step 4: Simplify right side
    18,303.34x = 177,520,056.98
  5. Step 5: Solve for x
    x = 177,520,056.98/18,303.34
  6. Step 6: Final answer
    x = 9,698.78

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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.