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Finding the Fourth Proportional to 18,406.96, 25,402.28 and 10,024.08

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Solution

The fourth proportional to 18,406.96, 25,402.28 and 10,024.08 is: 13,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.96 : 25,402.28 = 10,024.08 : x
  2. Step 2: Convert to fraction form
    18,406.96/25,402.28 = 10,024.08/x
  3. Step 3: Cross multiply
    18,406.96x = 25,402.28 × 10,024.08
  4. Step 4: Simplify right side
    18,406.96x = 254,634,486.90
  5. Step 5: Solve for x
    x = 254,634,486.90/18,406.96
  6. Step 6: Final answer
    x = 13,833.60

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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.