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Finding the Fourth Proportional to 15,692.76, 23,539.11 and 9,853.47

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Solution

The fourth proportional to 15,692.76, 23,539.11 and 9,853.47 is: 14,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.76 : 23,539.11 = 9,853.47 : x
  2. Step 2: Convert to fraction form
    15,692.76/23,539.11 = 9,853.47/x
  3. Step 3: Cross multiply
    15,692.76x = 23,539.11 × 9,853.47
  4. Step 4: Simplify right side
    15,692.76x = 231,941,914.21
  5. Step 5: Solve for x
    x = 231,941,914.21/15,692.76
  6. Step 6: Final answer
    x = 14,780.19

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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.