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Finding the Fourth Proportional to 43,683.76, 65,525.63 and 10,851.76

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Solution

The fourth proportional to 43,683.76, 65,525.63 and 10,851.76 is: 16,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,683.76 : 65,525.63 = 10,851.76 : x
  2. Step 2: Convert to fraction form
    43,683.76/65,525.63 = 10,851.76/x
  3. Step 3: Cross multiply
    43,683.76x = 65,525.63 × 10,851.76
  4. Step 4: Simplify right side
    43,683.76x = 711,068,410.61
  5. Step 5: Solve for x
    x = 711,068,410.61/43,683.76
  6. Step 6: Final answer
    x = 16,277.64

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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.