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Finding the Fourth Proportional to 43,405.40, 65,095.30 and 17,101.40

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Solution

The fourth proportional to 43,405.40, 65,095.30 and 17,101.40 is: 25,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.40 : 65,095.30 = 17,101.40 : x
  2. Step 2: Convert to fraction form
    43,405.40/65,095.30 = 17,101.40/x
  3. Step 3: Cross multiply
    43,405.40x = 65,095.30 × 17,101.40
  4. Step 4: Simplify right side
    43,405.40x = 1,113,220,763.42
  5. Step 5: Solve for x
    x = 1,113,220,763.42/43,405.40
  6. Step 6: Final answer
    x = 25,647.06

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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.