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Finding the Fourth Proportional to 67,430.50, 93,054.29 and 36,803.88

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Solution

The fourth proportional to 67,430.50, 93,054.29 and 36,803.88 is: 50,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.50 : 93,054.29 = 36,803.88 : x
  2. Step 2: Convert to fraction form
    67,430.50/93,054.29 = 36,803.88/x
  3. Step 3: Cross multiply
    67,430.50x = 93,054.29 × 36,803.88
  4. Step 4: Simplify right side
    67,430.50x = 3,424,758,476.91
  5. Step 5: Solve for x
    x = 3,424,758,476.91/67,430.50
  6. Step 6: Final answer
    x = 50,789.46

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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.