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Finding the Fourth Proportional to 46,903.96, 70,363.92 and 17,321.95

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Solution

The fourth proportional to 46,903.96, 70,363.92 and 17,321.95 is: 25,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,903.96 : 70,363.92 = 17,321.95 : x
  2. Step 2: Convert to fraction form
    46,903.96/70,363.92 = 17,321.95/x
  3. Step 3: Cross multiply
    46,903.96x = 70,363.92 × 17,321.95
  4. Step 4: Simplify right side
    46,903.96x = 1,218,840,304.04
  5. Step 5: Solve for x
    x = 1,218,840,304.04/46,903.96
  6. Step 6: Final answer
    x = 25,985.87

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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.