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Finding the Fourth Proportional to 5,931.90, 8,886.42 and 3,326.94

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Solution

The fourth proportional to 5,931.90, 8,886.42 and 3,326.94 is: 4,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.90 : 8,886.42 = 3,326.94 : x
  2. Step 2: Convert to fraction form
    5,931.90/8,886.42 = 3,326.94/x
  3. Step 3: Cross multiply
    5,931.90x = 8,886.42 × 3,326.94
  4. Step 4: Simplify right side
    5,931.90x = 29,564,586.15
  5. Step 5: Solve for x
    x = 29,564,586.15/5,931.90
  6. Step 6: Final answer
    x = 4,984.00

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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.