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Finding the Fourth Proportional to 8,339.86, 12,503.43 and 5,052.08

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Solution

The fourth proportional to 8,339.86, 12,503.43 and 5,052.08 is: 7,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.86 : 12,503.43 = 5,052.08 : x
  2. Step 2: Convert to fraction form
    8,339.86/12,503.43 = 5,052.08/x
  3. Step 3: Cross multiply
    8,339.86x = 12,503.43 × 5,052.08
  4. Step 4: Simplify right side
    8,339.86x = 63,168,328.63
  5. Step 5: Solve for x
    x = 63,168,328.63/8,339.86
  6. Step 6: Final answer
    x = 7,574.27

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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.