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Finding the Fourth Proportional to 6,155.64, 8,495.62 and 3,503.30

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Solution

The fourth proportional to 6,155.64, 8,495.62 and 3,503.30 is: 4,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.64 : 8,495.62 = 3,503.30 : x
  2. Step 2: Convert to fraction form
    6,155.64/8,495.62 = 3,503.30/x
  3. Step 3: Cross multiply
    6,155.64x = 8,495.62 × 3,503.30
  4. Step 4: Simplify right side
    6,155.64x = 29,762,654.31
  5. Step 5: Solve for x
    x = 29,762,654.31/6,155.64
  6. Step 6: Final answer
    x = 4,835.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.