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Finding the Fourth Proportional to 30,929.94, 46,394.89 and 11,208.46

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Solution

The fourth proportional to 30,929.94, 46,394.89 and 11,208.46 is: 16,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.94 : 46,394.89 = 11,208.46 : x
  2. Step 2: Convert to fraction form
    30,929.94/46,394.89 = 11,208.46/x
  3. Step 3: Cross multiply
    30,929.94x = 46,394.89 × 11,208.46
  4. Step 4: Simplify right side
    30,929.94x = 520,015,268.77
  5. Step 5: Solve for x
    x = 520,015,268.77/30,929.94
  6. Step 6: Final answer
    x = 16,812.68

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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.