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Finding the Fourth Proportional to 29,048.85, 43,578.95 and 9,325.89

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Solution

The fourth proportional to 29,048.85, 43,578.95 and 9,325.89 is: 13,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,048.85 : 43,578.95 = 9,325.89 : x
  2. Step 2: Convert to fraction form
    29,048.85/43,578.95 = 9,325.89/x
  3. Step 3: Cross multiply
    29,048.85x = 43,578.95 × 9,325.89
  4. Step 4: Simplify right side
    29,048.85x = 406,412,494.02
  5. Step 5: Solve for x
    x = 406,412,494.02/29,048.85
  6. Step 6: Final answer
    x = 13,990.66

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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.