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Finding the Fourth Proportional to 45,898.98, 68,808.38 and 17,799.68

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Solution

The fourth proportional to 45,898.98, 68,808.38 and 17,799.68 is: 26,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,898.98 : 68,808.38 = 17,799.68 : x
  2. Step 2: Convert to fraction form
    45,898.98/68,808.38 = 17,799.68/x
  3. Step 3: Cross multiply
    45,898.98x = 68,808.38 × 17,799.68
  4. Step 4: Simplify right side
    45,898.98x = 1,224,767,145.32
  5. Step 5: Solve for x
    x = 1,224,767,145.32/45,898.98
  6. Step 6: Final answer
    x = 26,683.97

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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.