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Finding the Fourth Proportional to 8,902.60, 13,354.08 and 3,059.08

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Solution

The fourth proportional to 8,902.60, 13,354.08 and 3,059.08 is: 4,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.60 : 13,354.08 = 3,059.08 : x
  2. Step 2: Convert to fraction form
    8,902.60/13,354.08 = 3,059.08/x
  3. Step 3: Cross multiply
    8,902.60x = 13,354.08 × 3,059.08
  4. Step 4: Simplify right side
    8,902.60x = 40,851,199.05
  5. Step 5: Solve for x
    x = 40,851,199.05/8,902.60
  6. Step 6: Final answer
    x = 4,588.68

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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.