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Finding the Fourth Proportional to 46,401.60, 69,525.60 and 39,489.60

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Solution

The fourth proportional to 46,401.60, 69,525.60 and 39,489.60 is: 59,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,401.60 : 69,525.60 = 39,489.60 : x
  2. Step 2: Convert to fraction form
    46,401.60/69,525.60 = 39,489.60/x
  3. Step 3: Cross multiply
    46,401.60x = 69,525.60 × 39,489.60
  4. Step 4: Simplify right side
    46,401.60x = 2,745,538,133.76
  5. Step 5: Solve for x
    x = 2,745,538,133.76/46,401.60
  6. Step 6: Final answer
    x = 59,169.04

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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.