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Finding the Fourth Proportional to 11,187.52, 16,784.52 and 4,610.32

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Solution

The fourth proportional to 11,187.52, 16,784.52 and 4,610.32 is: 6,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.52 : 16,784.52 = 4,610.32 : x
  2. Step 2: Convert to fraction form
    11,187.52/16,784.52 = 4,610.32/x
  3. Step 3: Cross multiply
    11,187.52x = 16,784.52 × 4,610.32
  4. Step 4: Simplify right side
    11,187.52x = 77,382,008.25
  5. Step 5: Solve for x
    x = 77,382,008.25/11,187.52
  6. Step 6: Final answer
    x = 6,916.82

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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.