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Finding the Fourth Proportional to 30,395.52, 45,600.64 and 14,809.60

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Solution

The fourth proportional to 30,395.52, 45,600.64 and 14,809.60 is: 22,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.52 : 45,600.64 = 14,809.60 : x
  2. Step 2: Convert to fraction form
    30,395.52/45,600.64 = 14,809.60/x
  3. Step 3: Cross multiply
    30,395.52x = 45,600.64 × 14,809.60
  4. Step 4: Simplify right side
    30,395.52x = 675,327,238.14
  5. Step 5: Solve for x
    x = 675,327,238.14/30,395.52
  6. Step 6: Final answer
    x = 22,217.99

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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.