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Finding the Fourth Proportional to 29,576.47, 40,813.98 and 16,829.39

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Solution

The fourth proportional to 29,576.47, 40,813.98 and 16,829.39 is: 23,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,576.47 : 40,813.98 = 16,829.39 : x
  2. Step 2: Convert to fraction form
    29,576.47/40,813.98 = 16,829.39/x
  3. Step 3: Cross multiply
    29,576.47x = 40,813.98 × 16,829.39
  4. Step 4: Simplify right side
    29,576.47x = 686,874,182.80
  5. Step 5: Solve for x
    x = 686,874,182.80/29,576.47
  6. Step 6: Final answer
    x = 23,223.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.