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Finding the Fourth Proportional to 45,878.79, 68,822.29 and 17,798.17

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Solution

The fourth proportional to 45,878.79, 68,822.29 and 17,798.17 is: 26,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,878.79 : 68,822.29 = 17,798.17 : x
  2. Step 2: Convert to fraction form
    45,878.79/68,822.29 = 17,798.17/x
  3. Step 3: Cross multiply
    45,878.79x = 68,822.29 × 17,798.17
  4. Step 4: Simplify right side
    45,878.79x = 1,224,910,817.21
  5. Step 5: Solve for x
    x = 1,224,910,817.21/45,878.79
  6. Step 6: Final answer
    x = 26,698.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.