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Finding the Fourth Proportional to 14,652.84, 21,979.86 and 4,264.59

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Solution

The fourth proportional to 14,652.84, 21,979.86 and 4,264.59 is: 6,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.84 : 21,979.86 = 4,264.59 : x
  2. Step 2: Convert to fraction form
    14,652.84/21,979.86 = 4,264.59/x
  3. Step 3: Cross multiply
    14,652.84x = 21,979.86 × 4,264.59
  4. Step 4: Simplify right side
    14,652.84x = 93,735,091.16
  5. Step 5: Solve for x
    x = 93,735,091.16/14,652.84
  6. Step 6: Final answer
    x = 6,397.06

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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.