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Finding the Fourth Proportional to 32,178.60, 48,246.30 and 14,639.40

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Solution

The fourth proportional to 32,178.60, 48,246.30 and 14,639.40 is: 21,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,178.60 : 48,246.30 = 14,639.40 : x
  2. Step 2: Convert to fraction form
    32,178.60/48,246.30 = 14,639.40/x
  3. Step 3: Cross multiply
    32,178.60x = 48,246.30 × 14,639.40
  4. Step 4: Simplify right side
    32,178.60x = 706,296,884.22
  5. Step 5: Solve for x
    x = 706,296,884.22/32,178.60
  6. Step 6: Final answer
    x = 21,949.27

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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.