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Finding the Fourth Proportional to 75,416.76, 113,117.76 and 37,961.88

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Solution

The fourth proportional to 75,416.76, 113,117.76 and 37,961.88 is: 56,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,416.76 : 113,117.76 = 37,961.88 : x
  2. Step 2: Convert to fraction form
    75,416.76/113,117.76 = 37,961.88/x
  3. Step 3: Cross multiply
    75,416.76x = 113,117.76 × 37,961.88
  4. Step 4: Simplify right side
    75,416.76x = 4,294,162,830.99
  5. Step 5: Solve for x
    x = 4,294,162,830.99/75,416.76
  6. Step 6: Final answer
    x = 56,939.11

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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.