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Finding the Fourth Proportional to 75,416.80, 113,092.80 and 37,962.40

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Solution

The fourth proportional to 75,416.80, 113,092.80 and 37,962.40 is: 56,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,416.80 : 113,092.80 = 37,962.40 : x
  2. Step 2: Convert to fraction form
    75,416.80/113,092.80 = 37,962.40/x
  3. Step 3: Cross multiply
    75,416.80x = 113,092.80 × 37,962.40
  4. Step 4: Simplify right side
    75,416.80x = 4,293,274,110.72
  5. Step 5: Solve for x
    x = 4,293,274,110.72/75,416.80
  6. Step 6: Final answer
    x = 56,927.29

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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.