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Finding the Fourth Proportional to 68,004.80, 102,023.40 and 32,915.60

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Solution

The fourth proportional to 68,004.80, 102,023.40 and 32,915.60 is: 49,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004.80 : 102,023.40 = 32,915.60 : x
  2. Step 2: Convert to fraction form
    68,004.80/102,023.40 = 32,915.60/x
  3. Step 3: Cross multiply
    68,004.80x = 102,023.40 × 32,915.60
  4. Step 4: Simplify right side
    68,004.80x = 3,358,161,425.04
  5. Step 5: Solve for x
    x = 3,358,161,425.04/68,004.80
  6. Step 6: Final answer
    x = 49,381.24

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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.