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Finding the Fourth Proportional to 9,908.58, 13,663.63 and 6,923.32

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Solution

The fourth proportional to 9,908.58, 13,663.63 and 6,923.32 is: 9,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.58 : 13,663.63 = 6,923.32 : x
  2. Step 2: Convert to fraction form
    9,908.58/13,663.63 = 6,923.32/x
  3. Step 3: Cross multiply
    9,908.58x = 13,663.63 × 6,923.32
  4. Step 4: Simplify right side
    9,908.58x = 94,597,665.54
  5. Step 5: Solve for x
    x = 94,597,665.54/9,908.58
  6. Step 6: Final answer
    x = 9,547.05

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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.