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Finding the Fourth Proportional to 59,234.88, 81,705.44 and 37,980.48

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Solution

The fourth proportional to 59,234.88, 81,705.44 and 37,980.48 is: 52,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,234.88 : 81,705.44 = 37,980.48 : x
  2. Step 2: Convert to fraction form
    59,234.88/81,705.44 = 37,980.48/x
  3. Step 3: Cross multiply
    59,234.88x = 81,705.44 × 37,980.48
  4. Step 4: Simplify right side
    59,234.88x = 3,103,211,829.81
  5. Step 5: Solve for x
    x = 3,103,211,829.81/59,234.88
  6. Step 6: Final answer
    x = 52,388.25

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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.