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Finding the Fourth Proportional to 46,138.60, 69,098.55 and 46,138.60

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Solution

The fourth proportional to 46,138.60, 69,098.55 and 46,138.60 is: 69,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,138.60 : 69,098.55 = 46,138.60 : x
  2. Step 2: Convert to fraction form
    46,138.60/69,098.55 = 46,138.60/x
  3. Step 3: Cross multiply
    46,138.60x = 69,098.55 × 46,138.60
  4. Step 4: Simplify right side
    46,138.60x = 3,188,110,359.03
  5. Step 5: Solve for x
    x = 3,188,110,359.03/46,138.60
  6. Step 6: Final answer
    x = 69,098.55

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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.