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Finding the Fourth Proportional to 29,666.40, 44,524.80 and 12,148.80

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Solution

The fourth proportional to 29,666.40, 44,524.80 and 12,148.80 is: 18,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.40 : 44,524.80 = 12,148.80 : x
  2. Step 2: Convert to fraction form
    29,666.40/44,524.80 = 12,148.80/x
  3. Step 3: Cross multiply
    29,666.40x = 44,524.80 × 12,148.80
  4. Step 4: Simplify right side
    29,666.40x = 540,922,890.24
  5. Step 5: Solve for x
    x = 540,922,890.24/29,666.40
  6. Step 6: Final answer
    x = 18,233.52

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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.