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Finding the Fourth Proportional to 29,676.81, 44,513.63 and 7,490.38

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Solution

The fourth proportional to 29,676.81, 44,513.63 and 7,490.38 is: 11,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.81 : 44,513.63 = 7,490.38 : x
  2. Step 2: Convert to fraction form
    29,676.81/44,513.63 = 7,490.38/x
  3. Step 3: Cross multiply
    29,676.81x = 44,513.63 × 7,490.38
  4. Step 4: Simplify right side
    29,676.81x = 333,423,855.14
  5. Step 5: Solve for x
    x = 333,423,855.14/29,676.81
  6. Step 6: Final answer
    x = 11,235.16

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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.