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Finding the Fourth Proportional to 53,840.25, 80,763.62 and 16,904.25

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Solution

The fourth proportional to 53,840.25, 80,763.62 and 16,904.25 is: 25,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.25 : 80,763.62 = 16,904.25 : x
  2. Step 2: Convert to fraction form
    53,840.25/80,763.62 = 16,904.25/x
  3. Step 3: Cross multiply
    53,840.25x = 80,763.62 × 16,904.25
  4. Step 4: Simplify right side
    53,840.25x = 1,365,248,338.86
  5. Step 5: Solve for x
    x = 1,365,248,338.86/53,840.25
  6. Step 6: Final answer
    x = 25,357.39

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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.