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Finding the Fourth Proportional to 53,460.80, 80,498.48 and 41,172.80

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Solution

The fourth proportional to 53,460.80, 80,498.48 and 41,172.80 is: 61,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,460.80 : 80,498.48 = 41,172.80 : x
  2. Step 2: Convert to fraction form
    53,460.80/80,498.48 = 41,172.80/x
  3. Step 3: Cross multiply
    53,460.80x = 80,498.48 × 41,172.80
  4. Step 4: Simplify right side
    53,460.80x = 3,314,347,817.34
  5. Step 5: Solve for x
    x = 3,314,347,817.34/53,460.80
  6. Step 6: Final answer
    x = 61,995.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.