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Finding the Fourth Proportional to 34,303.94, 51,542.04 and 21,829.40

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Solution

The fourth proportional to 34,303.94, 51,542.04 and 21,829.40 is: 32,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,303.94 : 51,542.04 = 21,829.40 : x
  2. Step 2: Convert to fraction form
    34,303.94/51,542.04 = 21,829.40/x
  3. Step 3: Cross multiply
    34,303.94x = 51,542.04 × 21,829.40
  4. Step 4: Simplify right side
    34,303.94x = 1,125,131,807.98
  5. Step 5: Solve for x
    x = 1,125,131,807.98/34,303.94
  6. Step 6: Final answer
    x = 32,798.91

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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.