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Finding the Fourth Proportional to 28,293.73, 42,444.99 and 8,567.59

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Solution

The fourth proportional to 28,293.73, 42,444.99 and 8,567.59 is: 12,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.73 : 42,444.99 = 8,567.59 : x
  2. Step 2: Convert to fraction form
    28,293.73/42,444.99 = 8,567.59/x
  3. Step 3: Cross multiply
    28,293.73x = 42,444.99 × 8,567.59
  4. Step 4: Simplify right side
    28,293.73x = 363,651,059.65
  5. Step 5: Solve for x
    x = 363,651,059.65/28,293.73
  6. Step 6: Final answer
    x = 12,852.71

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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.