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Finding the Fourth Proportional to 29,089.01, 43,633.52 and 8,312.51

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Solution

The fourth proportional to 29,089.01, 43,633.52 and 8,312.51 is: 12,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.01 : 43,633.52 = 8,312.51 : x
  2. Step 2: Convert to fraction form
    29,089.01/43,633.52 = 8,312.51/x
  3. Step 3: Cross multiply
    29,089.01x = 43,633.52 × 8,312.51
  4. Step 4: Simplify right side
    29,089.01x = 362,703,811.61
  5. Step 5: Solve for x
    x = 362,703,811.61/29,089.01
  6. Step 6: Final answer
    x = 12,468.76

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Similar ratio
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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.