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Finding the Fourth Proportional to 9,925.28, 14,786.96 and 9,455.08

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Solution

The fourth proportional to 9,925.28, 14,786.96 and 9,455.08 is: 14,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.28 : 14,786.96 = 9,455.08 : x
  2. Step 2: Convert to fraction form
    9,925.28/14,786.96 = 9,455.08/x
  3. Step 3: Cross multiply
    9,925.28x = 14,786.96 × 9,455.08
  4. Step 4: Simplify right side
    9,925.28x = 139,811,889.76
  5. Step 5: Solve for x
    x = 139,811,889.76/9,925.28
  6. Step 6: Final answer
    x = 14,086.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.