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Finding the Fourth Proportional to 30,892.86, 46,303.44 and 14,217.88

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Solution

The fourth proportional to 30,892.86, 46,303.44 and 14,217.88 is: 21,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.86 : 46,303.44 = 14,217.88 : x
  2. Step 2: Convert to fraction form
    30,892.86/46,303.44 = 14,217.88/x
  3. Step 3: Cross multiply
    30,892.86x = 46,303.44 × 14,217.88
  4. Step 4: Simplify right side
    30,892.86x = 658,336,753.51
  5. Step 5: Solve for x
    x = 658,336,753.51/30,892.86
  6. Step 6: Final answer
    x = 21,310.32

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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.