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Finding the Fourth Proportional to 7,543.62, 10,416.41 and 4,895.55

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Solution

The fourth proportional to 7,543.62, 10,416.41 and 4,895.55 is: 6,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.62 : 10,416.41 = 4,895.55 : x
  2. Step 2: Convert to fraction form
    7,543.62/10,416.41 = 4,895.55/x
  3. Step 3: Cross multiply
    7,543.62x = 10,416.41 × 4,895.55
  4. Step 4: Simplify right side
    7,543.62x = 50,994,055.98
  5. Step 5: Solve for x
    x = 50,994,055.98/7,543.62
  6. Step 6: Final answer
    x = 6,759.89

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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.