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Finding the Fourth Proportional to 9,654.71, 14,458.41 and 8,719.74

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Solution

The fourth proportional to 9,654.71, 14,458.41 and 8,719.74 is: 13,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,654.71 : 14,458.41 = 8,719.74 : x
  2. Step 2: Convert to fraction form
    9,654.71/14,458.41 = 8,719.74/x
  3. Step 3: Cross multiply
    9,654.71x = 14,458.41 × 8,719.74
  4. Step 4: Simplify right side
    9,654.71x = 126,073,576.01
  5. Step 5: Solve for x
    x = 126,073,576.01/9,654.71
  6. Step 6: Final answer
    x = 13,058.25

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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.