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Finding the Fourth Proportional to 43,477.44, 65,215.44 and 13,895.08

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Solution

The fourth proportional to 43,477.44, 65,215.44 and 13,895.08 is: 20,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.44 : 65,215.44 = 13,895.08 : x
  2. Step 2: Convert to fraction form
    43,477.44/65,215.44 = 13,895.08/x
  3. Step 3: Cross multiply
    43,477.44x = 65,215.44 × 13,895.08
  4. Step 4: Simplify right side
    43,477.44x = 906,173,756.04
  5. Step 5: Solve for x
    x = 906,173,756.04/43,477.44
  6. Step 6: Final answer
    x = 20,842.39

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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.