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Finding the Fourth Proportional to 10,918.83, 15,068.03 and 6,203.37

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Solution

The fourth proportional to 10,918.83, 15,068.03 and 6,203.37 is: 8,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.83 : 15,068.03 = 6,203.37 : x
  2. Step 2: Convert to fraction form
    10,918.83/15,068.03 = 6,203.37/x
  3. Step 3: Cross multiply
    10,918.83x = 15,068.03 × 6,203.37
  4. Step 4: Simplify right side
    10,918.83x = 93,472,489.92
  5. Step 5: Solve for x
    x = 93,472,489.92/10,918.83
  6. Step 6: Final answer
    x = 8,560.67

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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.