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Finding the Fourth Proportional to 32,637.64, 48,940.96 and 12,656.48

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Solution

The fourth proportional to 32,637.64, 48,940.96 and 12,656.48 is: 18,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,637.64 : 48,940.96 = 12,656.48 : x
  2. Step 2: Convert to fraction form
    32,637.64/48,940.96 = 12,656.48/x
  3. Step 3: Cross multiply
    32,637.64x = 48,940.96 × 12,656.48
  4. Step 4: Simplify right side
    32,637.64x = 619,420,281.42
  5. Step 5: Solve for x
    x = 619,420,281.42/32,637.64
  6. Step 6: Final answer
    x = 18,978.71

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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.