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Finding the Fourth Proportional to 30,888.88, 46,333.28 and 10,913.14

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Solution

The fourth proportional to 30,888.88, 46,333.28 and 10,913.14 is: 16,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.88 : 46,333.28 = 10,913.14 : x
  2. Step 2: Convert to fraction form
    30,888.88/46,333.28 = 10,913.14/x
  3. Step 3: Cross multiply
    30,888.88x = 46,333.28 × 10,913.14
  4. Step 4: Simplify right side
    30,888.88x = 505,641,571.30
  5. Step 5: Solve for x
    x = 505,641,571.30/30,888.88
  6. Step 6: Final answer
    x = 16,369.70

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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.