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Finding the Fourth Proportional to 16,576.70, 22,884.09 and 10,915.10

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Solution

The fourth proportional to 16,576.70, 22,884.09 and 10,915.10 is: 15,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,576.70 : 22,884.09 = 10,915.10 : x
  2. Step 2: Convert to fraction form
    16,576.70/22,884.09 = 10,915.10/x
  3. Step 3: Cross multiply
    16,576.70x = 22,884.09 × 10,915.10
  4. Step 4: Simplify right side
    16,576.70x = 249,782,130.76
  5. Step 5: Solve for x
    x = 249,782,130.76/16,576.70
  6. Step 6: Final answer
    x = 15,068.27

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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.