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Finding the Fourth Proportional to 5,427.48, 7,494 and 4,798.71

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Solution

The fourth proportional to 5,427.48, 7,494 and 4,798.71 is: 6,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.48 : 7,494 = 4,798.71 : x
  2. Step 2: Convert to fraction form
    5,427.48/7,494 = 4,798.71/x
  3. Step 3: Cross multiply
    5,427.48x = 7,494 × 4,798.71
  4. Step 4: Simplify right side
    5,427.48x = 35,961,532.74
  5. Step 5: Solve for x
    x = 35,961,532.74/5,427.48
  6. Step 6: Final answer
    x = 6,625.83

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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.