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Finding the Fourth Proportional to 28,883.39, 39,820.41 and 25,930.94

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Solution

The fourth proportional to 28,883.39, 39,820.41 and 25,930.94 is: 35,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.39 : 39,820.41 = 25,930.94 : x
  2. Step 2: Convert to fraction form
    28,883.39/39,820.41 = 25,930.94/x
  3. Step 3: Cross multiply
    28,883.39x = 39,820.41 × 25,930.94
  4. Step 4: Simplify right side
    28,883.39x = 1,032,580,463.38
  5. Step 5: Solve for x
    x = 1,032,580,463.38/28,883.39
  6. Step 6: Final answer
    x = 35,749.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.