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Finding the Fourth Proportional to 59,489.78, 82,073.25 and 37,980.33

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Solution

The fourth proportional to 59,489.78, 82,073.25 and 37,980.33 is: 52,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,489.78 : 82,073.25 = 37,980.33 : x
  2. Step 2: Convert to fraction form
    59,489.78/82,073.25 = 37,980.33/x
  3. Step 3: Cross multiply
    59,489.78x = 82,073.25 × 37,980.33
  4. Step 4: Simplify right side
    59,489.78x = 3,117,168,811.40
  5. Step 5: Solve for x
    x = 3,117,168,811.40/59,489.78
  6. Step 6: Final answer
    x = 52,398.40

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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.