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Finding the Fourth Proportional to 48,786.50, 67,325.64 and 26,430.50

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Solution

The fourth proportional to 48,786.50, 67,325.64 and 26,430.50 is: 36,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.50 : 67,325.64 = 26,430.50 : x
  2. Step 2: Convert to fraction form
    48,786.50/67,325.64 = 26,430.50/x
  3. Step 3: Cross multiply
    48,786.50x = 67,325.64 × 26,430.50
  4. Step 4: Simplify right side
    48,786.50x = 1,779,450,328.02
  5. Step 5: Solve for x
    x = 1,779,450,328.02/48,786.50
  6. Step 6: Final answer
    x = 36,474.24

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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.