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Finding the Fourth Proportional to 13,300.83, 18,354.51 and 7,332.39

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Solution

The fourth proportional to 13,300.83, 18,354.51 and 7,332.39 is: 10,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.83 : 18,354.51 = 7,332.39 : x
  2. Step 2: Convert to fraction form
    13,300.83/18,354.51 = 7,332.39/x
  3. Step 3: Cross multiply
    13,300.83x = 18,354.51 × 7,332.39
  4. Step 4: Simplify right side
    13,300.83x = 134,582,425.58
  5. Step 5: Solve for x
    x = 134,582,425.58/13,300.83
  6. Step 6: Final answer
    x = 10,118.35

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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.