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Finding the Fourth Proportional to 9,992.45, 14,987.22 and 6,283.31

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Solution

The fourth proportional to 9,992.45, 14,987.22 and 6,283.31 is: 9,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.45 : 14,987.22 = 6,283.31 : x
  2. Step 2: Convert to fraction form
    9,992.45/14,987.22 = 6,283.31/x
  3. Step 3: Cross multiply
    9,992.45x = 14,987.22 × 6,283.31
  4. Step 4: Simplify right side
    9,992.45x = 94,169,349.30
  5. Step 5: Solve for x
    x = 94,169,349.30/9,992.45
  6. Step 6: Final answer
    x = 9,424.05

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Similar ratio
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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.