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Finding the Fourth Proportional to 3,518.46, 4,853.47 and 3,099.82

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Solution

The fourth proportional to 3,518.46, 4,853.47 and 3,099.82 is: 4,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.46 : 4,853.47 = 3,099.82 : x
  2. Step 2: Convert to fraction form
    3,518.46/4,853.47 = 3,099.82/x
  3. Step 3: Cross multiply
    3,518.46x = 4,853.47 × 3,099.82
  4. Step 4: Simplify right side
    3,518.46x = 15,044,877.76
  5. Step 5: Solve for x
    x = 15,044,877.76/3,518.46
  6. Step 6: Final answer
    x = 4,275.98

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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.