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Finding the Fourth Proportional to 6,562.40, 9,056.39 and 3,578.40

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Solution

The fourth proportional to 6,562.40, 9,056.39 and 3,578.40 is: 4,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562.40 : 9,056.39 = 3,578.40 : x
  2. Step 2: Convert to fraction form
    6,562.40/9,056.39 = 3,578.40/x
  3. Step 3: Cross multiply
    6,562.40x = 9,056.39 × 3,578.40
  4. Step 4: Simplify right side
    6,562.40x = 32,407,385.98
  5. Step 5: Solve for x
    x = 32,407,385.98/6,562.40
  6. Step 6: Final answer
    x = 4,938.34

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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.