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Finding the Fourth Proportional to 5,953.71, 8,931.51 and 2,058.42

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Solution

The fourth proportional to 5,953.71, 8,931.51 and 2,058.42 is: 3,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,953.71 : 8,931.51 = 2,058.42 : x
  2. Step 2: Convert to fraction form
    5,953.71/8,931.51 = 2,058.42/x
  3. Step 3: Cross multiply
    5,953.71x = 8,931.51 × 2,058.42
  4. Step 4: Simplify right side
    5,953.71x = 18,384,798.81
  5. Step 5: Solve for x
    x = 18,384,798.81/5,953.71
  6. Step 6: Final answer
    x = 3,087.96

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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.