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Finding the Fourth Proportional to 19,384.80, 29,044.80 and 16,598.40

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Solution

The fourth proportional to 19,384.80, 29,044.80 and 16,598.40 is: 24,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.80 : 29,044.80 = 16,598.40 : x
  2. Step 2: Convert to fraction form
    19,384.80/29,044.80 = 16,598.40/x
  3. Step 3: Cross multiply
    19,384.80x = 29,044.80 × 16,598.40
  4. Step 4: Simplify right side
    19,384.80x = 482,097,208.32
  5. Step 5: Solve for x
    x = 482,097,208.32/19,384.80
  6. Step 6: Final answer
    x = 24,869.86

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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.