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Finding the Fourth Proportional to 43,657.79, 65,487.08 and 17,369.24

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Solution

The fourth proportional to 43,657.79, 65,487.08 and 17,369.24 is: 26,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,657.79 : 65,487.08 = 17,369.24 : x
  2. Step 2: Convert to fraction form
    43,657.79/65,487.08 = 17,369.24/x
  3. Step 3: Cross multiply
    43,657.79x = 65,487.08 × 17,369.24
  4. Step 4: Simplify right side
    43,657.79x = 1,137,460,525.41
  5. Step 5: Solve for x
    x = 1,137,460,525.41/43,657.79
  6. Step 6: Final answer
    x = 26,054.01

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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.