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Finding the Fourth Proportional to 25,998.30, 39,005.02 and 9,357.98

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Solution

The fourth proportional to 25,998.30, 39,005.02 and 9,357.98 is: 14,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.30 : 39,005.02 = 9,357.98 : x
  2. Step 2: Convert to fraction form
    25,998.30/39,005.02 = 9,357.98/x
  3. Step 3: Cross multiply
    25,998.30x = 39,005.02 × 9,357.98
  4. Step 4: Simplify right side
    25,998.30x = 365,008,197.06
  5. Step 5: Solve for x
    x = 365,008,197.06/25,998.30
  6. Step 6: Final answer
    x = 14,039.69

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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.