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Finding the Fourth Proportional to 45,017.50, 67,513.74 and 16,935.34

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Solution

The fourth proportional to 45,017.50, 67,513.74 and 16,935.34 is: 25,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.50 : 67,513.74 = 16,935.34 : x
  2. Step 2: Convert to fraction form
    45,017.50/67,513.74 = 16,935.34/x
  3. Step 3: Cross multiply
    45,017.50x = 67,513.74 × 16,935.34
  4. Step 4: Simplify right side
    45,017.50x = 1,143,368,141.57
  5. Step 5: Solve for x
    x = 1,143,368,141.57/45,017.50
  6. Step 6: Final answer
    x = 25,398.30

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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.