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Finding the Fourth Proportional to 27,269.60, 40,904.40 and 15,605.60

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Solution

The fourth proportional to 27,269.60, 40,904.40 and 15,605.60 is: 23,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.60 : 40,904.40 = 15,605.60 : x
  2. Step 2: Convert to fraction form
    27,269.60/40,904.40 = 15,605.60/x
  3. Step 3: Cross multiply
    27,269.60x = 40,904.40 × 15,605.60
  4. Step 4: Simplify right side
    27,269.60x = 638,337,704.64
  5. Step 5: Solve for x
    x = 638,337,704.64/27,269.60
  6. Step 6: Final answer
    x = 23,408.40

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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.