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Finding the Fourth Proportional to 72,014.56, 108,038.64 and 24,630.02

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Solution

The fourth proportional to 72,014.56, 108,038.64 and 24,630.02 is: 36,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.56 : 108,038.64 = 24,630.02 : x
  2. Step 2: Convert to fraction form
    72,014.56/108,038.64 = 24,630.02/x
  3. Step 3: Cross multiply
    72,014.56x = 108,038.64 × 24,630.02
  4. Step 4: Simplify right side
    72,014.56x = 2,660,993,200.63
  5. Step 5: Solve for x
    x = 2,660,993,200.63/72,014.56
  6. Step 6: Final answer
    x = 36,950.77

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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.