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Finding the Fourth Proportional to 7,162.88, 9,884.77 and 4,368.92

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Solution

The fourth proportional to 7,162.88, 9,884.77 and 4,368.92 is: 6,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.88 : 9,884.77 = 4,368.92 : x
  2. Step 2: Convert to fraction form
    7,162.88/9,884.77 = 4,368.92/x
  3. Step 3: Cross multiply
    7,162.88x = 9,884.77 × 4,368.92
  4. Step 4: Simplify right side
    7,162.88x = 43,185,709.00
  5. Step 5: Solve for x
    x = 43,185,709.00/7,162.88
  6. Step 6: Final answer
    x = 6,029.10

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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.