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Finding the Fourth Proportional to 30,893.32, 46,302.90 and 14,230.48

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Solution

The fourth proportional to 30,893.32, 46,302.90 and 14,230.48 is: 21,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.32 : 46,302.90 = 14,230.48 : x
  2. Step 2: Convert to fraction form
    30,893.32/46,302.90 = 14,230.48/x
  3. Step 3: Cross multiply
    30,893.32x = 46,302.90 × 14,230.48
  4. Step 4: Simplify right side
    30,893.32x = 658,912,492.39
  5. Step 5: Solve for x
    x = 658,912,492.39/30,893.32
  6. Step 6: Final answer
    x = 21,328.64

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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.