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Finding the Fourth Proportional to 29,907.42, 44,851.26 and 9,912.30

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Solution

The fourth proportional to 29,907.42, 44,851.26 and 9,912.30 is: 14,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.42 : 44,851.26 = 9,912.30 : x
  2. Step 2: Convert to fraction form
    29,907.42/44,851.26 = 9,912.30/x
  3. Step 3: Cross multiply
    29,907.42x = 44,851.26 × 9,912.30
  4. Step 4: Simplify right side
    29,907.42x = 444,579,144.50
  5. Step 5: Solve for x
    x = 444,579,144.50/29,907.42
  6. Step 6: Final answer
    x = 14,865.18

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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.