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Finding the Fourth Proportional to 9,386.76, 14,081.76 and 4,192.44

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Solution

The fourth proportional to 9,386.76, 14,081.76 and 4,192.44 is: 6,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.76 : 14,081.76 = 4,192.44 : x
  2. Step 2: Convert to fraction form
    9,386.76/14,081.76 = 4,192.44/x
  3. Step 3: Cross multiply
    9,386.76x = 14,081.76 × 4,192.44
  4. Step 4: Simplify right side
    9,386.76x = 59,036,933.89
  5. Step 5: Solve for x
    x = 59,036,933.89/9,386.76
  6. Step 6: Final answer
    x = 6,289.38

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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.