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Finding the Fourth Proportional to 29,157.84, 43,739.92 and 10,689.84

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Solution

The fourth proportional to 29,157.84, 43,739.92 and 10,689.84 is: 16,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.84 : 43,739.92 = 10,689.84 : x
  2. Step 2: Convert to fraction form
    29,157.84/43,739.92 = 10,689.84/x
  3. Step 3: Cross multiply
    29,157.84x = 43,739.92 × 10,689.84
  4. Step 4: Simplify right side
    29,157.84x = 467,572,746.41
  5. Step 5: Solve for x
    x = 467,572,746.41/29,157.84
  6. Step 6: Final answer
    x = 16,035.92

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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.