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Finding the Fourth Proportional to 11,959.40, 16,501.47 and 6,923.32

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Solution

The fourth proportional to 11,959.40, 16,501.47 and 6,923.32 is: 9,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.40 : 16,501.47 = 6,923.32 : x
  2. Step 2: Convert to fraction form
    11,959.40/16,501.47 = 6,923.32/x
  3. Step 3: Cross multiply
    11,959.40x = 16,501.47 × 6,923.32
  4. Step 4: Simplify right side
    11,959.40x = 114,244,957.28
  5. Step 5: Solve for x
    x = 114,244,957.28/11,959.40
  6. Step 6: Final answer
    x = 9,552.73

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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.