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Finding the Fourth Proportional to 43,537.72, 65,304.42 and 12,368.92

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Solution

The fourth proportional to 43,537.72, 65,304.42 and 12,368.92 is: 18,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,537.72 : 65,304.42 = 12,368.92 : x
  2. Step 2: Convert to fraction form
    43,537.72/65,304.42 = 12,368.92/x
  3. Step 3: Cross multiply
    43,537.72x = 65,304.42 × 12,368.92
  4. Step 4: Simplify right side
    43,537.72x = 807,745,146.63
  5. Step 5: Solve for x
    x = 807,745,146.63/43,537.72
  6. Step 6: Final answer
    x = 18,552.77

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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.