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Finding the Fourth Proportional to 5,929.66, 8,841.76 and 5,672.68

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Solution

The fourth proportional to 5,929.66, 8,841.76 and 5,672.68 is: 8,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.66 : 8,841.76 = 5,672.68 : x
  2. Step 2: Convert to fraction form
    5,929.66/8,841.76 = 5,672.68/x
  3. Step 3: Cross multiply
    5,929.66x = 8,841.76 × 5,672.68
  4. Step 4: Simplify right side
    5,929.66x = 50,156,475.12
  5. Step 5: Solve for x
    x = 50,156,475.12/5,929.66
  6. Step 6: Final answer
    x = 8,458.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.