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Finding the Fourth Proportional to 7,558.59, 11,345.09 and 4,642.59

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Solution

The fourth proportional to 7,558.59, 11,345.09 and 4,642.59 is: 6,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.59 : 11,345.09 = 4,642.59 : x
  2. Step 2: Convert to fraction form
    7,558.59/11,345.09 = 4,642.59/x
  3. Step 3: Cross multiply
    7,558.59x = 11,345.09 × 4,642.59
  4. Step 4: Simplify right side
    7,558.59x = 52,670,578.17
  5. Step 5: Solve for x
    x = 52,670,578.17/7,558.59
  6. Step 6: Final answer
    x = 6,968.31

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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.