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Finding the Fourth Proportional to 9,676.60, 14,531.10 and 6,404.20

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Solution

The fourth proportional to 9,676.60, 14,531.10 and 6,404.20 is: 9,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.60 : 14,531.10 = 6,404.20 : x
  2. Step 2: Convert to fraction form
    9,676.60/14,531.10 = 6,404.20/x
  3. Step 3: Cross multiply
    9,676.60x = 14,531.10 × 6,404.20
  4. Step 4: Simplify right side
    9,676.60x = 93,060,070.62
  5. Step 5: Solve for x
    x = 93,060,070.62/9,676.60
  6. Step 6: Final answer
    x = 9,617.02

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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.