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Finding the Fourth Proportional to 7,571.16, 11,360.52 and 7,023.60

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Solution

The fourth proportional to 7,571.16, 11,360.52 and 7,023.60 is: 10,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.16 : 11,360.52 = 7,023.60 : x
  2. Step 2: Convert to fraction form
    7,571.16/11,360.52 = 7,023.60/x
  3. Step 3: Cross multiply
    7,571.16x = 11,360.52 × 7,023.60
  4. Step 4: Simplify right side
    7,571.16x = 79,791,748.27
  5. Step 5: Solve for x
    x = 79,791,748.27/7,571.16
  6. Step 6: Final answer
    x = 10,538.91

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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.