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Finding the Fourth Proportional to 18,339.26, 27,510.71 and 6,653.39

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Solution

The fourth proportional to 18,339.26, 27,510.71 and 6,653.39 is: 9,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.26 : 27,510.71 = 6,653.39 : x
  2. Step 2: Convert to fraction form
    18,339.26/27,510.71 = 6,653.39/x
  3. Step 3: Cross multiply
    18,339.26x = 27,510.71 × 6,653.39
  4. Step 4: Simplify right side
    18,339.26x = 183,039,311.99
  5. Step 5: Solve for x
    x = 183,039,311.99/18,339.26
  6. Step 6: Final answer
    x = 9,980.74

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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.