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Finding the Fourth Proportional to 75,410.73, 113,108.76 and 37,955.88

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Solution

The fourth proportional to 75,410.73, 113,108.76 and 37,955.88 is: 56,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410.73 : 113,108.76 = 37,955.88 : x
  2. Step 2: Convert to fraction form
    75,410.73/113,108.76 = 37,955.88/x
  3. Step 3: Cross multiply
    75,410.73x = 113,108.76 × 37,955.88
  4. Step 4: Simplify right side
    75,410.73x = 4,293,142,521.51
  5. Step 5: Solve for x
    x = 4,293,142,521.51/75,410.73
  6. Step 6: Final answer
    x = 56,930.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.