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Finding the Fourth Proportional to 29,429.99, 44,143.99 and 12,790.02

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Solution

The fourth proportional to 29,429.99, 44,143.99 and 12,790.02 is: 19,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.99 : 44,143.99 = 12,790.02 : x
  2. Step 2: Convert to fraction form
    29,429.99/44,143.99 = 12,790.02/x
  3. Step 3: Cross multiply
    29,429.99x = 44,143.99 × 12,790.02
  4. Step 4: Simplify right side
    29,429.99x = 564,602,523.70
  5. Step 5: Solve for x
    x = 564,602,523.70/29,429.99
  6. Step 6: Final answer
    x = 19,184.60

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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.