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Finding the Fourth Proportional to 5,172.48, 7,148.16 and 4,596.48

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Solution

The fourth proportional to 5,172.48, 7,148.16 and 4,596.48 is: 6,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.48 : 7,148.16 = 4,596.48 : x
  2. Step 2: Convert to fraction form
    5,172.48/7,148.16 = 4,596.48/x
  3. Step 3: Cross multiply
    5,172.48x = 7,148.16 × 4,596.48
  4. Step 4: Simplify right side
    5,172.48x = 32,856,374.48
  5. Step 5: Solve for x
    x = 32,856,374.48/5,172.48
  6. Step 6: Final answer
    x = 6,352.15

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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.