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Finding the Fourth Proportional to 18,483.01, 25,509.19 and 10,525.97

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Solution

The fourth proportional to 18,483.01, 25,509.19 and 10,525.97 is: 14,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.01 : 25,509.19 = 10,525.97 : x
  2. Step 2: Convert to fraction form
    18,483.01/25,509.19 = 10,525.97/x
  3. Step 3: Cross multiply
    18,483.01x = 25,509.19 × 10,525.97
  4. Step 4: Simplify right side
    18,483.01x = 268,508,968.66
  5. Step 5: Solve for x
    x = 268,508,968.66/18,483.01
  6. Step 6: Final answer
    x = 14,527.34

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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.