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Finding the Fourth Proportional to 7,609.59, 11,393.87 and 4,970.56

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Solution

The fourth proportional to 7,609.59, 11,393.87 and 4,970.56 is: 7,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.59 : 11,393.87 = 4,970.56 : x
  2. Step 2: Convert to fraction form
    7,609.59/11,393.87 = 4,970.56/x
  3. Step 3: Cross multiply
    7,609.59x = 11,393.87 × 4,970.56
  4. Step 4: Simplify right side
    7,609.59x = 56,633,914.47
  5. Step 5: Solve for x
    x = 56,633,914.47/7,609.59
  6. Step 6: Final answer
    x = 7,442.44

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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.