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Finding the Fourth Proportional to 14,066.46, 19,411.11 and 7,692.93

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Solution

The fourth proportional to 14,066.46, 19,411.11 and 7,692.93 is: 10,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.46 : 19,411.11 = 7,692.93 : x
  2. Step 2: Convert to fraction form
    14,066.46/19,411.11 = 7,692.93/x
  3. Step 3: Cross multiply
    14,066.46x = 19,411.11 × 7,692.93
  4. Step 4: Simplify right side
    14,066.46x = 149,328,310.45
  5. Step 5: Solve for x
    x = 149,328,310.45/14,066.46
  6. Step 6: Final answer
    x = 10,615.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.