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Finding the Fourth Proportional to 7,182.07, 9,911.49 and 4,349.98

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Solution

The fourth proportional to 7,182.07, 9,911.49 and 4,349.98 is: 6,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.07 : 9,911.49 = 4,349.98 : x
  2. Step 2: Convert to fraction form
    7,182.07/9,911.49 = 4,349.98/x
  3. Step 3: Cross multiply
    7,182.07x = 9,911.49 × 4,349.98
  4. Step 4: Simplify right side
    7,182.07x = 43,114,783.27
  5. Step 5: Solve for x
    x = 43,114,783.27/7,182.07
  6. Step 6: Final answer
    x = 6,003.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.