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Finding the Fourth Proportional to 29,209.19, 43,619.20 and 28,896.86

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Solution

The fourth proportional to 29,209.19, 43,619.20 and 28,896.86 is: 43,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,209.19 : 43,619.20 = 28,896.86 : x
  2. Step 2: Convert to fraction form
    29,209.19/43,619.20 = 28,896.86/x
  3. Step 3: Cross multiply
    29,209.19x = 43,619.20 × 28,896.86
  4. Step 4: Simplify right side
    29,209.19x = 1,260,457,915.71
  5. Step 5: Solve for x
    x = 1,260,457,915.71/29,209.19
  6. Step 6: Final answer
    x = 43,152.79

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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.