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Finding the Fourth Proportional to 46,062.85, 69,093.50 and 20,748.28

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Solution

The fourth proportional to 46,062.85, 69,093.50 and 20,748.28 is: 31,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,062.85 : 69,093.50 = 20,748.28 : x
  2. Step 2: Convert to fraction form
    46,062.85/69,093.50 = 20,748.28/x
  3. Step 3: Cross multiply
    46,062.85x = 69,093.50 × 20,748.28
  4. Step 4: Simplify right side
    46,062.85x = 1,433,571,284.18
  5. Step 5: Solve for x
    x = 1,433,571,284.18/46,062.85
  6. Step 6: Final answer
    x = 31,122.07

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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.