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Finding the Fourth Proportional to 14,712, 22,068 and 4,323.60

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Solution

The fourth proportional to 14,712, 22,068 and 4,323.60 is: 6,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712 : 22,068 = 4,323.60 : x
  2. Step 2: Convert to fraction form
    14,712/22,068 = 4,323.60/x
  3. Step 3: Cross multiply
    14,712x = 22,068 × 4,323.60
  4. Step 4: Simplify right side
    14,712x = 95,413,204.80
  5. Step 5: Solve for x
    x = 95,413,204.80/14,712
  6. Step 6: Final answer
    x = 6,485.40

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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.