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Finding the Fourth Proportional to 4,903.60, 7,358.60 and 2,823.60

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Solution

The fourth proportional to 4,903.60, 7,358.60 and 2,823.60 is: 4,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.60 : 7,358.60 = 2,823.60 : x
  2. Step 2: Convert to fraction form
    4,903.60/7,358.60 = 2,823.60/x
  3. Step 3: Cross multiply
    4,903.60x = 7,358.60 × 2,823.60
  4. Step 4: Simplify right side
    4,903.60x = 20,777,742.96
  5. Step 5: Solve for x
    x = 20,777,742.96/4,903.60
  6. Step 6: Final answer
    x = 4,237.24

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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.