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Finding the Fourth Proportional to 10,727.92, 14,808.54 and 9,606.88

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Solution

The fourth proportional to 10,727.92, 14,808.54 and 9,606.88 is: 13,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.92 : 14,808.54 = 9,606.88 : x
  2. Step 2: Convert to fraction form
    10,727.92/14,808.54 = 9,606.88/x
  3. Step 3: Cross multiply
    10,727.92x = 14,808.54 × 9,606.88
  4. Step 4: Simplify right side
    10,727.92x = 142,263,866.76
  5. Step 5: Solve for x
    x = 142,263,866.76/10,727.92
  6. Step 6: Final answer
    x = 13,261.09

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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.