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Finding the Fourth Proportional to 7,060.40, 10,590.60 and 6,087.60

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Solution

The fourth proportional to 7,060.40, 10,590.60 and 6,087.60 is: 9,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.40 : 10,590.60 = 6,087.60 : x
  2. Step 2: Convert to fraction form
    7,060.40/10,590.60 = 6,087.60/x
  3. Step 3: Cross multiply
    7,060.40x = 10,590.60 × 6,087.60
  4. Step 4: Simplify right side
    7,060.40x = 64,471,336.56
  5. Step 5: Solve for x
    x = 64,471,336.56/7,060.40
  6. Step 6: Final answer
    x = 9,131.40

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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.