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Finding the Fourth Proportional to 8,534.22, 12,774.60 and 5,528.22

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Solution

The fourth proportional to 8,534.22, 12,774.60 and 5,528.22 is: 8,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.22 : 12,774.60 = 5,528.22 : x
  2. Step 2: Convert to fraction form
    8,534.22/12,774.60 = 5,528.22/x
  3. Step 3: Cross multiply
    8,534.22x = 12,774.60 × 5,528.22
  4. Step 4: Simplify right side
    8,534.22x = 70,620,799.21
  5. Step 5: Solve for x
    x = 70,620,799.21/8,534.22
  6. Step 6: Final answer
    x = 8,275.02

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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.