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Finding the Fourth Proportional to 29,476.74, 40,676.95 and 16,047.89

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Solution

The fourth proportional to 29,476.74, 40,676.95 and 16,047.89 is: 22,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,476.74 : 40,676.95 = 16,047.89 : x
  2. Step 2: Convert to fraction form
    29,476.74/40,676.95 = 16,047.89/x
  3. Step 3: Cross multiply
    29,476.74x = 40,676.95 × 16,047.89
  4. Step 4: Simplify right side
    29,476.74x = 652,779,188.35
  5. Step 5: Solve for x
    x = 652,779,188.35/29,476.74
  6. Step 6: Final answer
    x = 22,145.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.