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Finding the Fourth Proportional to 7,573.60, 11,345.31 and 4,608.39

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Solution

The fourth proportional to 7,573.60, 11,345.31 and 4,608.39 is: 6,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.60 : 11,345.31 = 4,608.39 : x
  2. Step 2: Convert to fraction form
    7,573.60/11,345.31 = 4,608.39/x
  3. Step 3: Cross multiply
    7,573.60x = 11,345.31 × 4,608.39
  4. Step 4: Simplify right side
    7,573.60x = 52,283,590.11
  5. Step 5: Solve for x
    x = 52,283,590.11/7,573.60
  6. Step 6: Final answer
    x = 6,903.40

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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.