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Finding the Fourth Proportional to 32,355.64, 48,489.72 and 16,784.20

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Solution

The fourth proportional to 32,355.64, 48,489.72 and 16,784.20 is: 25,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,355.64 : 48,489.72 = 16,784.20 : x
  2. Step 2: Convert to fraction form
    32,355.64/48,489.72 = 16,784.20/x
  3. Step 3: Cross multiply
    32,355.64x = 48,489.72 × 16,784.20
  4. Step 4: Simplify right side
    32,355.64x = 813,861,158.42
  5. Step 5: Solve for x
    x = 813,861,158.42/32,355.64
  6. Step 6: Final answer
    x = 25,153.61

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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.