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Finding the Fourth Proportional to 18,104.68, 24,985.04 and 10,145.08

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Solution

The fourth proportional to 18,104.68, 24,985.04 and 10,145.08 is: 14,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.68 : 24,985.04 = 10,145.08 : x
  2. Step 2: Convert to fraction form
    18,104.68/24,985.04 = 10,145.08/x
  3. Step 3: Cross multiply
    18,104.68x = 24,985.04 × 10,145.08
  4. Step 4: Simplify right side
    18,104.68x = 253,475,229.60
  5. Step 5: Solve for x
    x = 253,475,229.60/18,104.68
  6. Step 6: Final answer
    x = 14,000.54

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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.