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Finding the Fourth Proportional to 24,998.40, 34,500 and 18,699.84

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Solution

The fourth proportional to 24,998.40, 34,500 and 18,699.84 is: 25,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,998.40 : 34,500 = 18,699.84 : x
  2. Step 2: Convert to fraction form
    24,998.40/34,500 = 18,699.84/x
  3. Step 3: Cross multiply
    24,998.40x = 34,500 × 18,699.84
  4. Step 4: Simplify right side
    24,998.40x = 645,144,480
  5. Step 5: Solve for x
    x = 645,144,480/24,998.40
  6. Step 6: Final answer
    x = 25,807.43

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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.