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Finding the Fourth Proportional to 15,672.10, 23,513.55 and 6,913.30

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Solution

The fourth proportional to 15,672.10, 23,513.55 and 6,913.30 is: 10,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.10 : 23,513.55 = 6,913.30 : x
  2. Step 2: Convert to fraction form
    15,672.10/23,513.55 = 6,913.30/x
  3. Step 3: Cross multiply
    15,672.10x = 23,513.55 × 6,913.30
  4. Step 4: Simplify right side
    15,672.10x = 162,556,225.22
  5. Step 5: Solve for x
    x = 162,556,225.22/15,672.10
  6. Step 6: Final answer
    x = 10,372.33

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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.