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Finding the Fourth Proportional to 5,360.42, 7,967.13 and 5,214.98

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Solution

The fourth proportional to 5,360.42, 7,967.13 and 5,214.98 is: 7,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.42 : 7,967.13 = 5,214.98 : x
  2. Step 2: Convert to fraction form
    5,360.42/7,967.13 = 5,214.98/x
  3. Step 3: Cross multiply
    5,360.42x = 7,967.13 × 5,214.98
  4. Step 4: Simplify right side
    5,360.42x = 41,548,397.53
  5. Step 5: Solve for x
    x = 41,548,397.53/5,360.42
  6. Step 6: Final answer
    x = 7,750.96

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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.