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Finding the Fourth Proportional to 7,543.84, 11,322.96 and 4,627.84

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Solution

The fourth proportional to 7,543.84, 11,322.96 and 4,627.84 is: 6,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.84 : 11,322.96 = 4,627.84 : x
  2. Step 2: Convert to fraction form
    7,543.84/11,322.96 = 4,627.84/x
  3. Step 3: Cross multiply
    7,543.84x = 11,322.96 × 4,627.84
  4. Step 4: Simplify right side
    7,543.84x = 52,400,847.21
  5. Step 5: Solve for x
    x = 52,400,847.21/7,543.84
  6. Step 6: Final answer
    x = 6,946.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.