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Finding the Fourth Proportional to 14,755.66, 20,342.88 and 14,297.02

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Solution

The fourth proportional to 14,755.66, 20,342.88 and 14,297.02 is: 19,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.66 : 20,342.88 = 14,297.02 : x
  2. Step 2: Convert to fraction form
    14,755.66/20,342.88 = 14,297.02/x
  3. Step 3: Cross multiply
    14,755.66x = 20,342.88 × 14,297.02
  4. Step 4: Simplify right side
    14,755.66x = 290,842,562.22
  5. Step 5: Solve for x
    x = 290,842,562.22/14,755.66
  6. Step 6: Final answer
    x = 19,710.58

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1.5x scale

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.