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Finding the Fourth Proportional to 43,695.81, 65,547.95 and 17,394.39

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Solution

The fourth proportional to 43,695.81, 65,547.95 and 17,394.39 is: 26,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.81 : 65,547.95 = 17,394.39 : x
  2. Step 2: Convert to fraction form
    43,695.81/65,547.95 = 17,394.39/x
  3. Step 3: Cross multiply
    43,695.81x = 65,547.95 × 17,394.39
  4. Step 4: Simplify right side
    43,695.81x = 1,140,166,519.03
  5. Step 5: Solve for x
    x = 1,140,166,519.03/43,695.81
  6. Step 6: Final answer
    x = 26,093.27

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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.