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Finding the Fourth Proportional to 9,613.94, 14,394.95 and 4,987.22

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Solution

The fourth proportional to 9,613.94, 14,394.95 and 4,987.22 is: 7,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.94 : 14,394.95 = 4,987.22 : x
  2. Step 2: Convert to fraction form
    9,613.94/14,394.95 = 4,987.22/x
  3. Step 3: Cross multiply
    9,613.94x = 14,394.95 × 4,987.22
  4. Step 4: Simplify right side
    9,613.94x = 71,790,782.54
  5. Step 5: Solve for x
    x = 71,790,782.54/9,613.94
  6. Step 6: Final answer
    x = 7,467.36

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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.