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Finding the Fourth Proportional to 43,672.48, 65,508.72 and 15,955.36

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Solution

The fourth proportional to 43,672.48, 65,508.72 and 15,955.36 is: 23,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.48 : 65,508.72 = 15,955.36 : x
  2. Step 2: Convert to fraction form
    43,672.48/65,508.72 = 15,955.36/x
  3. Step 3: Cross multiply
    43,672.48x = 65,508.72 × 15,955.36
  4. Step 4: Simplify right side
    43,672.48x = 1,045,215,210.74
  5. Step 5: Solve for x
    x = 1,045,215,210.74/43,672.48
  6. Step 6: Final answer
    x = 23,933.04

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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.