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Finding the Fourth Proportional to 65,825.74, 90,745.04 and 46,930.06

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Solution

The fourth proportional to 65,825.74, 90,745.04 and 46,930.06 is: 64,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,825.74 : 90,745.04 = 46,930.06 : x
  2. Step 2: Convert to fraction form
    65,825.74/90,745.04 = 46,930.06/x
  3. Step 3: Cross multiply
    65,825.74x = 90,745.04 × 46,930.06
  4. Step 4: Simplify right side
    65,825.74x = 4,258,670,171.90
  5. Step 5: Solve for x
    x = 4,258,670,171.90/65,825.74
  6. Step 6: Final answer
    x = 64,696.12

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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.