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Finding the Fourth Proportional to 46,775.70, 70,086.60 and 27,019.80

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Solution

The fourth proportional to 46,775.70, 70,086.60 and 27,019.80 is: 40,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,775.70 : 70,086.60 = 27,019.80 : x
  2. Step 2: Convert to fraction form
    46,775.70/70,086.60 = 27,019.80/x
  3. Step 3: Cross multiply
    46,775.70x = 70,086.60 × 27,019.80
  4. Step 4: Simplify right side
    46,775.70x = 1,893,725,914.68
  5. Step 5: Solve for x
    x = 1,893,725,914.68/46,775.70
  6. Step 6: Final answer
    x = 40,485.25

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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.