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Finding the Fourth Proportional to 8,437.56, 12,656.42 and 5,534.26

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Solution

The fourth proportional to 8,437.56, 12,656.42 and 5,534.26 is: 8,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.56 : 12,656.42 = 5,534.26 : x
  2. Step 2: Convert to fraction form
    8,437.56/12,656.42 = 5,534.26/x
  3. Step 3: Cross multiply
    8,437.56x = 12,656.42 × 5,534.26
  4. Step 4: Simplify right side
    8,437.56x = 70,043,918.95
  5. Step 5: Solve for x
    x = 70,043,918.95/8,437.56
  6. Step 6: Final answer
    x = 8,301.44

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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.