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Finding the Fourth Proportional to 46,045.20, 69,045.60 and 27,327.60

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Solution

The fourth proportional to 46,045.20, 69,045.60 and 27,327.60 is: 40,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,045.20 : 69,045.60 = 27,327.60 : x
  2. Step 2: Convert to fraction form
    46,045.20/69,045.60 = 27,327.60/x
  3. Step 3: Cross multiply
    46,045.20x = 69,045.60 × 27,327.60
  4. Step 4: Simplify right side
    46,045.20x = 1,886,850,538.56
  5. Step 5: Solve for x
    x = 1,886,850,538.56/46,045.20
  6. Step 6: Final answer
    x = 40,978.22

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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.