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Finding the Fourth Proportional to 7,697.05, 11,527.25 and 4,915.10

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Solution

The fourth proportional to 7,697.05, 11,527.25 and 4,915.10 is: 7,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.05 : 11,527.25 = 4,915.10 : x
  2. Step 2: Convert to fraction form
    7,697.05/11,527.25 = 4,915.10/x
  3. Step 3: Cross multiply
    7,697.05x = 11,527.25 × 4,915.10
  4. Step 4: Simplify right side
    7,697.05x = 56,657,590.72
  5. Step 5: Solve for x
    x = 56,657,590.72/7,697.05
  6. Step 6: Final answer
    x = 7,360.95

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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.