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Finding the Fourth Proportional to 32,893.36, 49,340.40 and 9,520

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Solution

The fourth proportional to 32,893.36, 49,340.40 and 9,520 is: 14,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.36 : 49,340.40 = 9,520 : x
  2. Step 2: Convert to fraction form
    32,893.36/49,340.40 = 9,520/x
  3. Step 3: Cross multiply
    32,893.36x = 49,340.40 × 9,520
  4. Step 4: Simplify right side
    32,893.36x = 469,720,608
  5. Step 5: Solve for x
    x = 469,720,608/32,893.36
  6. Step 6: Final answer
    x = 14,280.10

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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.