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Finding the Fourth Proportional to 43,590, 60,154.20 and 23,718

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Solution

The fourth proportional to 43,590, 60,154.20 and 23,718 is: 32,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,590 : 60,154.20 = 23,718 : x
  2. Step 2: Convert to fraction form
    43,590/60,154.20 = 23,718/x
  3. Step 3: Cross multiply
    43,590x = 60,154.20 × 23,718
  4. Step 4: Simplify right side
    43,590x = 1,426,737,315.60
  5. Step 5: Solve for x
    x = 1,426,737,315.60/43,590
  6. Step 6: Final answer
    x = 32,730.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.