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Finding the Fourth Proportional to 46,803.80, 70,205.70 and 46,112.60

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Solution

The fourth proportional to 46,803.80, 70,205.70 and 46,112.60 is: 69,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,803.80 : 70,205.70 = 46,112.60 : x
  2. Step 2: Convert to fraction form
    46,803.80/70,205.70 = 46,112.60/x
  3. Step 3: Cross multiply
    46,803.80x = 70,205.70 × 46,112.60
  4. Step 4: Simplify right side
    46,803.80x = 3,237,367,361.82
  5. Step 5: Solve for x
    x = 3,237,367,361.82/46,803.80
  6. Step 6: Final answer
    x = 69,168.90

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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.