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Finding the Fourth Proportional to 8,134.40, 11,225.40 and 4,597.60

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Solution

The fourth proportional to 8,134.40, 11,225.40 and 4,597.60 is: 6,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.40 : 11,225.40 = 4,597.60 : x
  2. Step 2: Convert to fraction form
    8,134.40/11,225.40 = 4,597.60/x
  3. Step 3: Cross multiply
    8,134.40x = 11,225.40 × 4,597.60
  4. Step 4: Simplify right side
    8,134.40x = 51,609,899.04
  5. Step 5: Solve for x
    x = 51,609,899.04/8,134.40
  6. Step 6: Final answer
    x = 6,344.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.