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Finding the Fourth Proportional to 18,395.61, 27,594.44 and 5,246.93

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Solution

The fourth proportional to 18,395.61, 27,594.44 and 5,246.93 is: 7,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.61 : 27,594.44 = 5,246.93 : x
  2. Step 2: Convert to fraction form
    18,395.61/27,594.44 = 5,246.93/x
  3. Step 3: Cross multiply
    18,395.61x = 27,594.44 × 5,246.93
  4. Step 4: Simplify right side
    18,395.61x = 144,785,930.86
  5. Step 5: Solve for x
    x = 144,785,930.86/18,395.61
  6. Step 6: Final answer
    x = 7,870.68

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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.