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Finding the Fourth Proportional to 30,601.44, 45,895.68 and 9,820.08

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Solution

The fourth proportional to 30,601.44, 45,895.68 and 9,820.08 is: 14,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.44 : 45,895.68 = 9,820.08 : x
  2. Step 2: Convert to fraction form
    30,601.44/45,895.68 = 9,820.08/x
  3. Step 3: Cross multiply
    30,601.44x = 45,895.68 × 9,820.08
  4. Step 4: Simplify right side
    30,601.44x = 450,699,249.25
  5. Step 5: Solve for x
    x = 450,699,249.25/30,601.44
  6. Step 6: Final answer
    x = 14,728.04

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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.