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Finding the Fourth Proportional to 48,646.40, 72,912.90 and 22,353.80

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Solution

The fourth proportional to 48,646.40, 72,912.90 and 22,353.80 is: 33,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,646.40 : 72,912.90 = 22,353.80 : x
  2. Step 2: Convert to fraction form
    48,646.40/72,912.90 = 22,353.80/x
  3. Step 3: Cross multiply
    48,646.40x = 72,912.90 × 22,353.80
  4. Step 4: Simplify right side
    48,646.40x = 1,629,880,384.02
  5. Step 5: Solve for x
    x = 1,629,880,384.02/48,646.40
  6. Step 6: Final answer
    x = 33,504.65

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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.