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Finding the Fourth Proportional to 15,692.16, 23,518.23 and 7,353.79

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Solution

The fourth proportional to 15,692.16, 23,518.23 and 7,353.79 is: 11,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.16 : 23,518.23 = 7,353.79 : x
  2. Step 2: Convert to fraction form
    15,692.16/23,518.23 = 7,353.79/x
  3. Step 3: Cross multiply
    15,692.16x = 23,518.23 × 7,353.79
  4. Step 4: Simplify right side
    15,692.16x = 172,948,079.58
  5. Step 5: Solve for x
    x = 172,948,079.58/15,692.16
  6. Step 6: Final answer
    x = 11,021.30

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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.