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Finding the Fourth Proportional to 30,687.40, 46,030.62 and 15,093.64

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Solution

The fourth proportional to 30,687.40, 46,030.62 and 15,093.64 is: 22,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.40 : 46,030.62 = 15,093.64 : x
  2. Step 2: Convert to fraction form
    30,687.40/46,030.62 = 15,093.64/x
  3. Step 3: Cross multiply
    30,687.40x = 46,030.62 × 15,093.64
  4. Step 4: Simplify right side
    30,687.40x = 694,769,607.26
  5. Step 5: Solve for x
    x = 694,769,607.26/30,687.40
  6. Step 6: Final answer
    x = 22,640.22

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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.