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Finding the Fourth Proportional to 8,675.66, 13,000.35 and 5,743.46

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Solution

The fourth proportional to 8,675.66, 13,000.35 and 5,743.46 is: 8,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.66 : 13,000.35 = 5,743.46 : x
  2. Step 2: Convert to fraction form
    8,675.66/13,000.35 = 5,743.46/x
  3. Step 3: Cross multiply
    8,675.66x = 13,000.35 × 5,743.46
  4. Step 4: Simplify right side
    8,675.66x = 74,666,990.21
  5. Step 5: Solve for x
    x = 74,666,990.21/8,675.66
  6. Step 6: Final answer
    x = 8,606.49

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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.