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Finding the Fourth Proportional to 19,008.58, 28,511.52 and 5,859.58

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Solution

The fourth proportional to 19,008.58, 28,511.52 and 5,859.58 is: 8,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.58 : 28,511.52 = 5,859.58 : x
  2. Step 2: Convert to fraction form
    19,008.58/28,511.52 = 5,859.58/x
  3. Step 3: Cross multiply
    19,008.58x = 28,511.52 × 5,859.58
  4. Step 4: Simplify right side
    19,008.58x = 167,065,532.36
  5. Step 5: Solve for x
    x = 167,065,532.36/19,008.58
  6. Step 6: Final answer
    x = 8,788.95

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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.