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Finding the Fourth Proportional to 32,968.60, 49,469.10 and 15,435.40

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Solution

The fourth proportional to 32,968.60, 49,469.10 and 15,435.40 is: 23,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.60 : 49,469.10 = 15,435.40 : x
  2. Step 2: Convert to fraction form
    32,968.60/49,469.10 = 15,435.40/x
  3. Step 3: Cross multiply
    32,968.60x = 49,469.10 × 15,435.40
  4. Step 4: Simplify right side
    32,968.60x = 763,575,346.14
  5. Step 5: Solve for x
    x = 763,575,346.14/32,968.60
  6. Step 6: Final answer
    x = 23,160.68

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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.