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Finding the Fourth Proportional to 29,423.70, 44,135.55 and 28,986.30

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Solution

The fourth proportional to 29,423.70, 44,135.55 and 28,986.30 is: 43,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.70 : 44,135.55 = 28,986.30 : x
  2. Step 2: Convert to fraction form
    29,423.70/44,135.55 = 28,986.30/x
  3. Step 3: Cross multiply
    29,423.70x = 44,135.55 × 28,986.30
  4. Step 4: Simplify right side
    29,423.70x = 1,279,326,292.97
  5. Step 5: Solve for x
    x = 1,279,326,292.97/29,423.70
  6. Step 6: Final answer
    x = 43,479.45

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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.