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Finding the Fourth Proportional to 45,573.86, 62,893.25 and 25,430.31

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Solution

The fourth proportional to 45,573.86, 62,893.25 and 25,430.31 is: 35,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,573.86 : 62,893.25 = 25,430.31 : x
  2. Step 2: Convert to fraction form
    45,573.86/62,893.25 = 25,430.31/x
  3. Step 3: Cross multiply
    45,573.86x = 62,893.25 × 25,430.31
  4. Step 4: Simplify right side
    45,573.86x = 1,599,394,717.26
  5. Step 5: Solve for x
    x = 1,599,394,717.26/45,573.86
  6. Step 6: Final answer
    x = 35,094.57

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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.