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Finding the Fourth Proportional to 38,699.52, 53,413.01 and 25,104.41

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Solution

The fourth proportional to 38,699.52, 53,413.01 and 25,104.41 is: 34,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.52 : 53,413.01 = 25,104.41 : x
  2. Step 2: Convert to fraction form
    38,699.52/53,413.01 = 25,104.41/x
  3. Step 3: Cross multiply
    38,699.52x = 53,413.01 × 25,104.41
  4. Step 4: Simplify right side
    38,699.52x = 1,340,901,709.79
  5. Step 5: Solve for x
    x = 1,340,901,709.79/38,699.52
  6. Step 6: Final answer
    x = 34,649.05

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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.