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Finding the Fourth Proportional to 58,396.56, 80,614.08 and 38,254.32

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Solution

The fourth proportional to 58,396.56, 80,614.08 and 38,254.32 is: 52,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,396.56 : 80,614.08 = 38,254.32 : x
  2. Step 2: Convert to fraction form
    58,396.56/80,614.08 = 38,254.32/x
  3. Step 3: Cross multiply
    58,396.56x = 80,614.08 × 38,254.32
  4. Step 4: Simplify right side
    58,396.56x = 3,083,836,812.83
  5. Step 5: Solve for x
    x = 3,083,836,812.83/58,396.56
  6. Step 6: Final answer
    x = 52,808.54

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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.