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Finding the Fourth Proportional to 46,999.80, 64,891.80 and 32,857.20

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Solution

The fourth proportional to 46,999.80, 64,891.80 and 32,857.20 is: 45,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,999.80 : 64,891.80 = 32,857.20 : x
  2. Step 2: Convert to fraction form
    46,999.80/64,891.80 = 32,857.20/x
  3. Step 3: Cross multiply
    46,999.80x = 64,891.80 × 32,857.20
  4. Step 4: Simplify right side
    46,999.80x = 2,132,162,850.96
  5. Step 5: Solve for x
    x = 2,132,162,850.96/46,999.80
  6. Step 6: Final answer
    x = 45,365.36

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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.