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Finding the Fourth Proportional to 9,697.62, 14,544.80 and 2,770.50

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Solution

The fourth proportional to 9,697.62, 14,544.80 and 2,770.50 is: 4,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,697.62 : 14,544.80 = 2,770.50 : x
  2. Step 2: Convert to fraction form
    9,697.62/14,544.80 = 2,770.50/x
  3. Step 3: Cross multiply
    9,697.62x = 14,544.80 × 2,770.50
  4. Step 4: Simplify right side
    9,697.62x = 40,296,368.40
  5. Step 5: Solve for x
    x = 40,296,368.40/9,697.62
  6. Step 6: Final answer
    x = 4,155.28

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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.