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Finding the Fourth Proportional to 8,245.59, 12,368.70 and 2,402.25

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Solution

The fourth proportional to 8,245.59, 12,368.70 and 2,402.25 is: 3,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.59 : 12,368.70 = 2,402.25 : x
  2. Step 2: Convert to fraction form
    8,245.59/12,368.70 = 2,402.25/x
  3. Step 3: Cross multiply
    8,245.59x = 12,368.70 × 2,402.25
  4. Step 4: Simplify right side
    8,245.59x = 29,712,709.58
  5. Step 5: Solve for x
    x = 29,712,709.58/8,245.59
  6. Step 6: Final answer
    x = 3,603.47

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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.