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Finding the Fourth Proportional to 29,404.84, 40,550.88 and 19,315.48

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Solution

The fourth proportional to 29,404.84, 40,550.88 and 19,315.48 is: 26,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.84 : 40,550.88 = 19,315.48 : x
  2. Step 2: Convert to fraction form
    29,404.84/40,550.88 = 19,315.48/x
  3. Step 3: Cross multiply
    29,404.84x = 40,550.88 × 19,315.48
  4. Step 4: Simplify right side
    29,404.84x = 783,259,711.62
  5. Step 5: Solve for x
    x = 783,259,711.62/29,404.84
  6. Step 6: Final answer
    x = 26,637.10

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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.