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Finding the Fourth Proportional to 18,057.84, 24,909.79 and 10,503.32

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Solution

The fourth proportional to 18,057.84, 24,909.79 and 10,503.32 is: 14,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.84 : 24,909.79 = 10,503.32 : x
  2. Step 2: Convert to fraction form
    18,057.84/24,909.79 = 10,503.32/x
  3. Step 3: Cross multiply
    18,057.84x = 24,909.79 × 10,503.32
  4. Step 4: Simplify right side
    18,057.84x = 261,635,495.50
  5. Step 5: Solve for x
    x = 261,635,495.50/18,057.84
  6. Step 6: Final answer
    x = 14,488.75

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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.