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Finding the Fourth Proportional to 32,447.76, 48,671.64 and 12,735.60

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Solution

The fourth proportional to 32,447.76, 48,671.64 and 12,735.60 is: 19,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,447.76 : 48,671.64 = 12,735.60 : x
  2. Step 2: Convert to fraction form
    32,447.76/48,671.64 = 12,735.60/x
  3. Step 3: Cross multiply
    32,447.76x = 48,671.64 × 12,735.60
  4. Step 4: Simplify right side
    32,447.76x = 619,862,538.38
  5. Step 5: Solve for x
    x = 619,862,538.38/32,447.76
  6. Step 6: Final answer
    x = 19,103.40

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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.