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Finding the Fourth Proportional to 18,042.41, 24,897.52 and 9,975.60

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Solution

The fourth proportional to 18,042.41, 24,897.52 and 9,975.60 is: 13,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.41 : 24,897.52 = 9,975.60 : x
  2. Step 2: Convert to fraction form
    18,042.41/24,897.52 = 9,975.60/x
  3. Step 3: Cross multiply
    18,042.41x = 24,897.52 × 9,975.60
  4. Step 4: Simplify right side
    18,042.41x = 248,367,638.27
  5. Step 5: Solve for x
    x = 248,367,638.27/18,042.41
  6. Step 6: Final answer
    x = 13,765.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.