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Finding the Fourth Proportional to 13,368.96, 20,053.19 and 4,603.68

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Solution

The fourth proportional to 13,368.96, 20,053.19 and 4,603.68 is: 6,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.96 : 20,053.19 = 4,603.68 : x
  2. Step 2: Convert to fraction form
    13,368.96/20,053.19 = 4,603.68/x
  3. Step 3: Cross multiply
    13,368.96x = 20,053.19 × 4,603.68
  4. Step 4: Simplify right side
    13,368.96x = 92,318,446.72
  5. Step 5: Solve for x
    x = 92,318,446.72/13,368.96
  6. Step 6: Final answer
    x = 6,905.43

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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.