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Finding the Fourth Proportional to 48,709.76, 67,220.54 and 26,905.98

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Solution

The fourth proportional to 48,709.76, 67,220.54 and 26,905.98 is: 37,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.76 : 67,220.54 = 26,905.98 : x
  2. Step 2: Convert to fraction form
    48,709.76/67,220.54 = 26,905.98/x
  3. Step 3: Cross multiply
    48,709.76x = 67,220.54 × 26,905.98
  4. Step 4: Simplify right side
    48,709.76x = 1,808,634,504.83
  5. Step 5: Solve for x
    x = 1,808,634,504.83/48,709.76
  6. Step 6: Final answer
    x = 37,130.84

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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.