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Finding the Fourth Proportional to 29,486.84, 43,896.74 and 29,311.74

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Solution

The fourth proportional to 29,486.84, 43,896.74 and 29,311.74 is: 43,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.84 : 43,896.74 = 29,311.74 : x
  2. Step 2: Convert to fraction form
    29,486.84/43,896.74 = 29,311.74/x
  3. Step 3: Cross multiply
    29,486.84x = 43,896.74 × 29,311.74
  4. Step 4: Simplify right side
    29,486.84x = 1,286,689,683.17
  5. Step 5: Solve for x
    x = 1,286,689,683.17/29,486.84
  6. Step 6: Final answer
    x = 43,636.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.