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Finding the Fourth Proportional to 40,344.48, 60,516.72 and 12,264.48

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Solution

The fourth proportional to 40,344.48, 60,516.72 and 12,264.48 is: 18,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,344.48 : 60,516.72 = 12,264.48 : x
  2. Step 2: Convert to fraction form
    40,344.48/60,516.72 = 12,264.48/x
  3. Step 3: Cross multiply
    40,344.48x = 60,516.72 × 12,264.48
  4. Step 4: Simplify right side
    40,344.48x = 742,206,102.11
  5. Step 5: Solve for x
    x = 742,206,102.11/40,344.48
  6. Step 6: Final answer
    x = 18,396.72

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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.