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Finding the Fourth Proportional to 25,603.71, 38,379.17 and 9,804.42

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Solution

The fourth proportional to 25,603.71, 38,379.17 and 9,804.42 is: 14,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.71 : 38,379.17 = 9,804.42 : x
  2. Step 2: Convert to fraction form
    25,603.71/38,379.17 = 9,804.42/x
  3. Step 3: Cross multiply
    25,603.71x = 38,379.17 × 9,804.42
  4. Step 4: Simplify right side
    25,603.71x = 376,285,501.93
  5. Step 5: Solve for x
    x = 376,285,501.93/25,603.71
  6. Step 6: Final answer
    x = 14,696.52

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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.