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Finding the Fourth Proportional to 49,323.40, 73,985.10 and 16,491.40

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Solution

The fourth proportional to 49,323.40, 73,985.10 and 16,491.40 is: 24,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,323.40 : 73,985.10 = 16,491.40 : x
  2. Step 2: Convert to fraction form
    49,323.40/73,985.10 = 16,491.40/x
  3. Step 3: Cross multiply
    49,323.40x = 73,985.10 × 16,491.40
  4. Step 4: Simplify right side
    49,323.40x = 1,220,117,878.14
  5. Step 5: Solve for x
    x = 1,220,117,878.14/49,323.40
  6. Step 6: Final answer
    x = 24,737.10

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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.