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Finding the Fourth Proportional to 55,693.67, 83,522.90 and 18,245.13

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Solution

The fourth proportional to 55,693.67, 83,522.90 and 18,245.13 is: 27,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,693.67 : 83,522.90 = 18,245.13 : x
  2. Step 2: Convert to fraction form
    55,693.67/83,522.90 = 18,245.13/x
  3. Step 3: Cross multiply
    55,693.67x = 83,522.90 × 18,245.13
  4. Step 4: Simplify right side
    55,693.67x = 1,523,886,077.25
  5. Step 5: Solve for x
    x = 1,523,886,077.25/55,693.67
  6. Step 6: Final answer
    x = 27,361.93

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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.