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Finding the Fourth Proportional to 26,412.84, 36,452.03 and 14,478.48

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Solution

The fourth proportional to 26,412.84, 36,452.03 and 14,478.48 is: 19,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.84 : 36,452.03 = 14,478.48 : x
  2. Step 2: Convert to fraction form
    26,412.84/36,452.03 = 14,478.48/x
  3. Step 3: Cross multiply
    26,412.84x = 36,452.03 × 14,478.48
  4. Step 4: Simplify right side
    26,412.84x = 527,769,914.92
  5. Step 5: Solve for x
    x = 527,769,914.92/26,412.84
  6. Step 6: Final answer
    x = 19,981.57

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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.