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Finding the Fourth Proportional to 18,035.48, 24,889.48 and 10,078.60

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Solution

The fourth proportional to 18,035.48, 24,889.48 and 10,078.60 is: 13,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.48 : 24,889.48 = 10,078.60 : x
  2. Step 2: Convert to fraction form
    18,035.48/24,889.48 = 10,078.60/x
  3. Step 3: Cross multiply
    18,035.48x = 24,889.48 × 10,078.60
  4. Step 4: Simplify right side
    18,035.48x = 250,851,113.13
  5. Step 5: Solve for x
    x = 250,851,113.13/18,035.48
  6. Step 6: Final answer
    x = 13,908.76

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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.