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Finding the Fourth Proportional to 25,860.58, 38,790.90 and 8,333.02

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Solution

The fourth proportional to 25,860.58, 38,790.90 and 8,333.02 is: 12,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.58 : 38,790.90 = 8,333.02 : x
  2. Step 2: Convert to fraction form
    25,860.58/38,790.90 = 8,333.02/x
  3. Step 3: Cross multiply
    25,860.58x = 38,790.90 × 8,333.02
  4. Step 4: Simplify right side
    25,860.58x = 323,245,345.52
  5. Step 5: Solve for x
    x = 323,245,345.52/25,860.58
  6. Step 6: Final answer
    x = 12,499.54

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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.