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Finding the Fourth Proportional to 46,672.70, 64,414.11 and 28,519.69

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Solution

The fourth proportional to 46,672.70, 64,414.11 and 28,519.69 is: 39,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,672.70 : 64,414.11 = 28,519.69 : x
  2. Step 2: Convert to fraction form
    46,672.70/64,414.11 = 28,519.69/x
  3. Step 3: Cross multiply
    46,672.70x = 64,414.11 × 28,519.69
  4. Step 4: Simplify right side
    46,672.70x = 1,837,070,113.54
  5. Step 5: Solve for x
    x = 1,837,070,113.54/46,672.70
  6. Step 6: Final answer
    x = 39,360.70

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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.