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Finding the Fourth Proportional to 43,797.52, 65,706.62 and 14,215.28

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Solution

The fourth proportional to 43,797.52, 65,706.62 and 14,215.28 is: 21,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.52 : 65,706.62 = 14,215.28 : x
  2. Step 2: Convert to fraction form
    43,797.52/65,706.62 = 14,215.28/x
  3. Step 3: Cross multiply
    43,797.52x = 65,706.62 × 14,215.28
  4. Step 4: Simplify right side
    43,797.52x = 934,038,001.15
  5. Step 5: Solve for x
    x = 934,038,001.15/43,797.52
  6. Step 6: Final answer
    x = 21,326.28

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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.