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Finding the Fourth Proportional to 40,324, 60,470.28 and 23,688.28

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Solution

The fourth proportional to 40,324, 60,470.28 and 23,688.28 is: 35,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324 : 60,470.28 = 23,688.28 : x
  2. Step 2: Convert to fraction form
    40,324/60,470.28 = 23,688.28/x
  3. Step 3: Cross multiply
    40,324x = 60,470.28 × 23,688.28
  4. Step 4: Simplify right side
    40,324x = 1,432,436,924.32
  5. Step 5: Solve for x
    x = 1,432,436,924.32/40,324
  6. Step 6: Final answer
    x = 35,523.19

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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.