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Finding the Fourth Proportional to 19,551.60, 29,327.40 and 9,692.40

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Solution

The fourth proportional to 19,551.60, 29,327.40 and 9,692.40 is: 14,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.60 : 29,327.40 = 9,692.40 : x
  2. Step 2: Convert to fraction form
    19,551.60/29,327.40 = 9,692.40/x
  3. Step 3: Cross multiply
    19,551.60x = 29,327.40 × 9,692.40
  4. Step 4: Simplify right side
    19,551.60x = 284,252,891.76
  5. Step 5: Solve for x
    x = 284,252,891.76/19,551.60
  6. Step 6: Final answer
    x = 14,538.60

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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.