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Finding the Fourth Proportional to 44,000.30, 66,000.45 and 19,424.30

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Solution

The fourth proportional to 44,000.30, 66,000.45 and 19,424.30 is: 29,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,000.30 : 66,000.45 = 19,424.30 : x
  2. Step 2: Convert to fraction form
    44,000.30/66,000.45 = 19,424.30/x
  3. Step 3: Cross multiply
    44,000.30x = 66,000.45 × 19,424.30
  4. Step 4: Simplify right side
    44,000.30x = 1,282,012,540.94
  5. Step 5: Solve for x
    x = 1,282,012,540.94/44,000.30
  6. Step 6: Final answer
    x = 29,136.45

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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.