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Finding the Fourth Proportional to 29,424.12, 44,138.90 and 8,364.60

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Solution

The fourth proportional to 29,424.12, 44,138.90 and 8,364.60 is: 12,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,424.12 : 44,138.90 = 8,364.60 : x
  2. Step 2: Convert to fraction form
    29,424.12/44,138.90 = 8,364.60/x
  3. Step 3: Cross multiply
    29,424.12x = 44,138.90 × 8,364.60
  4. Step 4: Simplify right side
    29,424.12x = 369,204,242.94
  5. Step 5: Solve for x
    x = 369,204,242.94/29,424.12
  6. Step 6: Final answer
    x = 12,547.67

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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.