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Finding the Fourth Proportional to 46,561.80, 69,842.70 and 36,064.20

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Solution

The fourth proportional to 46,561.80, 69,842.70 and 36,064.20 is: 54,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,561.80 : 69,842.70 = 36,064.20 : x
  2. Step 2: Convert to fraction form
    46,561.80/69,842.70 = 36,064.20/x
  3. Step 3: Cross multiply
    46,561.80x = 69,842.70 × 36,064.20
  4. Step 4: Simplify right side
    46,561.80x = 2,518,821,101.34
  5. Step 5: Solve for x
    x = 2,518,821,101.34/46,561.80
  6. Step 6: Final answer
    x = 54,096.30

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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.