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Finding the Fourth Proportional to 10,702.29, 14,770.65 and 5,986.89

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Solution

The fourth proportional to 10,702.29, 14,770.65 and 5,986.89 is: 8,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.29 : 14,770.65 = 5,986.89 : x
  2. Step 2: Convert to fraction form
    10,702.29/14,770.65 = 5,986.89/x
  3. Step 3: Cross multiply
    10,702.29x = 14,770.65 × 5,986.89
  4. Step 4: Simplify right side
    10,702.29x = 88,430,256.78
  5. Step 5: Solve for x
    x = 88,430,256.78/10,702.29
  6. Step 6: Final answer
    x = 8,262.74

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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.