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Finding the Fourth Proportional to 10,602.99, 15,903.99 and 3,582.54

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Solution

The fourth proportional to 10,602.99, 15,903.99 and 3,582.54 is: 5,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.99 : 15,903.99 = 3,582.54 : x
  2. Step 2: Convert to fraction form
    10,602.99/15,903.99 = 3,582.54/x
  3. Step 3: Cross multiply
    10,602.99x = 15,903.99 × 3,582.54
  4. Step 4: Simplify right side
    10,602.99x = 56,976,680.33
  5. Step 5: Solve for x
    x = 56,976,680.33/10,602.99
  6. Step 6: Final answer
    x = 5,373.64

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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.