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Finding the Fourth Proportional to 30,945.84, 46,406.88 and 14,314.56

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Solution

The fourth proportional to 30,945.84, 46,406.88 and 14,314.56 is: 21,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.84 : 46,406.88 = 14,314.56 : x
  2. Step 2: Convert to fraction form
    30,945.84/46,406.88 = 14,314.56/x
  3. Step 3: Cross multiply
    30,945.84x = 46,406.88 × 14,314.56
  4. Step 4: Simplify right side
    30,945.84x = 664,294,068.17
  5. Step 5: Solve for x
    x = 664,294,068.17/30,945.84
  6. Step 6: Final answer
    x = 21,466.34

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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.