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Finding the Fourth Proportional to 9,124.60, 13,692.30 and 6,653.20

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Solution

The fourth proportional to 9,124.60, 13,692.30 and 6,653.20 is: 9,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.60 : 13,692.30 = 6,653.20 : x
  2. Step 2: Convert to fraction form
    9,124.60/13,692.30 = 6,653.20/x
  3. Step 3: Cross multiply
    9,124.60x = 13,692.30 × 6,653.20
  4. Step 4: Simplify right side
    9,124.60x = 91,097,610.36
  5. Step 5: Solve for x
    x = 91,097,610.36/9,124.60
  6. Step 6: Final answer
    x = 9,983.74

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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.