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Finding the Fourth Proportional to 72,353.40, 108,530.10 and 22,433.10

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Solution

The fourth proportional to 72,353.40, 108,530.10 and 22,433.10 is: 33,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,353.40 : 108,530.10 = 22,433.10 : x
  2. Step 2: Convert to fraction form
    72,353.40/108,530.10 = 22,433.10/x
  3. Step 3: Cross multiply
    72,353.40x = 108,530.10 × 22,433.10
  4. Step 4: Simplify right side
    72,353.40x = 2,434,666,586.31
  5. Step 5: Solve for x
    x = 2,434,666,586.31/72,353.40
  6. Step 6: Final answer
    x = 33,649.65

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Similar ratio
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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.