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Finding the Fourth Proportional to 58,292.25, 80,445.11 and 33,143.37

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Solution

The fourth proportional to 58,292.25, 80,445.11 and 33,143.37 is: 45,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,292.25 : 80,445.11 = 33,143.37 : x
  2. Step 2: Convert to fraction form
    58,292.25/80,445.11 = 33,143.37/x
  3. Step 3: Cross multiply
    58,292.25x = 80,445.11 × 33,143.37
  4. Step 4: Simplify right side
    58,292.25x = 2,666,222,045.42
  5. Step 5: Solve for x
    x = 2,666,222,045.42/58,292.25
  6. Step 6: Final answer
    x = 45,738.88

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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.