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Finding the Fourth Proportional to 12,095.70, 16,692.53 and 7,059.12

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Solution

The fourth proportional to 12,095.70, 16,692.53 and 7,059.12 is: 9,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.70 : 16,692.53 = 7,059.12 : x
  2. Step 2: Convert to fraction form
    12,095.70/16,692.53 = 7,059.12/x
  3. Step 3: Cross multiply
    12,095.70x = 16,692.53 × 7,059.12
  4. Step 4: Simplify right side
    12,095.70x = 117,834,537.08
  5. Step 5: Solve for x
    x = 117,834,537.08/12,095.70
  6. Step 6: Final answer
    x = 9,741.85

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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.