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Finding the Fourth Proportional to 14,653.80, 21,965.58 and 6,339.24

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Solution

The fourth proportional to 14,653.80, 21,965.58 and 6,339.24 is: 9,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.80 : 21,965.58 = 6,339.24 : x
  2. Step 2: Convert to fraction form
    14,653.80/21,965.58 = 6,339.24/x
  3. Step 3: Cross multiply
    14,653.80x = 21,965.58 × 6,339.24
  4. Step 4: Simplify right side
    14,653.80x = 139,245,083.36
  5. Step 5: Solve for x
    x = 139,245,083.36/14,653.80
  6. Step 6: Final answer
    x = 9,502.32

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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.