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Finding the Fourth Proportional to 89,683.80, 134,525.70 and 27,346.20

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Solution

The fourth proportional to 89,683.80, 134,525.70 and 27,346.20 is: 41,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,683.80 : 134,525.70 = 27,346.20 : x
  2. Step 2: Convert to fraction form
    89,683.80/134,525.70 = 27,346.20/x
  3. Step 3: Cross multiply
    89,683.80x = 134,525.70 × 27,346.20
  4. Step 4: Simplify right side
    89,683.80x = 3,678,766,697.34
  5. Step 5: Solve for x
    x = 3,678,766,697.34/89,683.80
  6. Step 6: Final answer
    x = 41,019.30

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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.