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Finding the Fourth Proportional to 10,059.60, 15,103.80 and 5,685.60

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Solution

The fourth proportional to 10,059.60, 15,103.80 and 5,685.60 is: 8,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.60 : 15,103.80 = 5,685.60 : x
  2. Step 2: Convert to fraction form
    10,059.60/15,103.80 = 5,685.60/x
  3. Step 3: Cross multiply
    10,059.60x = 15,103.80 × 5,685.60
  4. Step 4: Simplify right side
    10,059.60x = 85,874,165.28
  5. Step 5: Solve for x
    x = 85,874,165.28/10,059.60
  6. Step 6: Final answer
    x = 8,536.54

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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.