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Finding the Fourth Proportional to 34,456.50, 51,697.04 and 16,938.63

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Solution

The fourth proportional to 34,456.50, 51,697.04 and 16,938.63 is: 25,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,456.50 : 51,697.04 = 16,938.63 : x
  2. Step 2: Convert to fraction form
    34,456.50/51,697.04 = 16,938.63/x
  3. Step 3: Cross multiply
    34,456.50x = 51,697.04 × 16,938.63
  4. Step 4: Simplify right side
    34,456.50x = 875,676,947.96
  5. Step 5: Solve for x
    x = 875,676,947.96/34,456.50
  6. Step 6: Final answer
    x = 25,413.98

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1.5x scale

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.