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Finding the Fourth Proportional to 30,687.60, 46,004.40 and 14,884.68

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Solution

The fourth proportional to 30,687.60, 46,004.40 and 14,884.68 is: 22,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.60 : 46,004.40 = 14,884.68 : x
  2. Step 2: Convert to fraction form
    30,687.60/46,004.40 = 14,884.68/x
  3. Step 3: Cross multiply
    30,687.60x = 46,004.40 × 14,884.68
  4. Step 4: Simplify right side
    30,687.60x = 684,760,772.59
  5. Step 5: Solve for x
    x = 684,760,772.59/30,687.60
  6. Step 6: Final answer
    x = 22,313.92

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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.