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Finding the Fourth Proportional to 10,692.90, 16,039.34 and 2,901.51

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Solution

The fourth proportional to 10,692.90, 16,039.34 and 2,901.51 is: 4,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.90 : 16,039.34 = 2,901.51 : x
  2. Step 2: Convert to fraction form
    10,692.90/16,039.34 = 2,901.51/x
  3. Step 3: Cross multiply
    10,692.90x = 16,039.34 × 2,901.51
  4. Step 4: Simplify right side
    10,692.90x = 46,538,290.90
  5. Step 5: Solve for x
    x = 46,538,290.90/10,692.90
  6. Step 6: Final answer
    x = 4,352.26

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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.