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Finding the Fourth Proportional to 58,940.56, 81,355.15 and 38,525.59

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Solution

The fourth proportional to 58,940.56, 81,355.15 and 38,525.59 is: 53,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,940.56 : 81,355.15 = 38,525.59 : x
  2. Step 2: Convert to fraction form
    58,940.56/81,355.15 = 38,525.59/x
  3. Step 3: Cross multiply
    58,940.56x = 81,355.15 × 38,525.59
  4. Step 4: Simplify right side
    58,940.56x = 3,134,255,303.14
  5. Step 5: Solve for x
    x = 3,134,255,303.14/58,940.56
  6. Step 6: Final answer
    x = 53,176.54

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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.