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Finding the Fourth Proportional to 30,042.88, 44,995.20 and 16,875.52

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Solution

The fourth proportional to 30,042.88, 44,995.20 and 16,875.52 is: 25,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.88 : 44,995.20 = 16,875.52 : x
  2. Step 2: Convert to fraction form
    30,042.88/44,995.20 = 16,875.52/x
  3. Step 3: Cross multiply
    30,042.88x = 44,995.20 × 16,875.52
  4. Step 4: Simplify right side
    30,042.88x = 759,317,397.50
  5. Step 5: Solve for x
    x = 759,317,397.50/30,042.88
  6. Step 6: Final answer
    x = 25,274.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.