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Finding the Fourth Proportional to 32,608.40, 48,912.60 and 11,829.20

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Solution

The fourth proportional to 32,608.40, 48,912.60 and 11,829.20 is: 17,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.40 : 48,912.60 = 11,829.20 : x
  2. Step 2: Convert to fraction form
    32,608.40/48,912.60 = 11,829.20/x
  3. Step 3: Cross multiply
    32,608.40x = 48,912.60 × 11,829.20
  4. Step 4: Simplify right side
    32,608.40x = 578,596,927.92
  5. Step 5: Solve for x
    x = 578,596,927.92/32,608.40
  6. Step 6: Final answer
    x = 17,743.80

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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.