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Finding the Fourth Proportional to 8,335.50, 11,503.35 and 4,609.50

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Solution

The fourth proportional to 8,335.50, 11,503.35 and 4,609.50 is: 6,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.50 : 11,503.35 = 4,609.50 : x
  2. Step 2: Convert to fraction form
    8,335.50/11,503.35 = 4,609.50/x
  3. Step 3: Cross multiply
    8,335.50x = 11,503.35 × 4,609.50
  4. Step 4: Simplify right side
    8,335.50x = 53,024,691.83
  5. Step 5: Solve for x
    x = 53,024,691.83/8,335.50
  6. Step 6: Final answer
    x = 6,361.31

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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.