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Finding the Fourth Proportional to 32,455.40, 48,704.70 and 14,916.20

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Solution

The fourth proportional to 32,455.40, 48,704.70 and 14,916.20 is: 22,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.40 : 48,704.70 = 14,916.20 : x
  2. Step 2: Convert to fraction form
    32,455.40/48,704.70 = 14,916.20/x
  3. Step 3: Cross multiply
    32,455.40x = 48,704.70 × 14,916.20
  4. Step 4: Simplify right side
    32,455.40x = 726,489,046.14
  5. Step 5: Solve for x
    x = 726,489,046.14/32,455.40
  6. Step 6: Final answer
    x = 22,384.23

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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.