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Finding the Fourth Proportional to 58,181.80, 80,328.90 and 44,728.24

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Solution

The fourth proportional to 58,181.80, 80,328.90 and 44,728.24 is: 61,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.80 : 80,328.90 = 44,728.24 : x
  2. Step 2: Convert to fraction form
    58,181.80/80,328.90 = 44,728.24/x
  3. Step 3: Cross multiply
    58,181.80x = 80,328.90 × 44,728.24
  4. Step 4: Simplify right side
    58,181.80x = 3,592,970,318.14
  5. Step 5: Solve for x
    x = 3,592,970,318.14/58,181.80
  6. Step 6: Final answer
    x = 61,754.20

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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.