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Finding the Fourth Proportional to 14,646.22, 21,969.94 and 4,257.97

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Solution

The fourth proportional to 14,646.22, 21,969.94 and 4,257.97 is: 6,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.22 : 21,969.94 = 4,257.97 : x
  2. Step 2: Convert to fraction form
    14,646.22/21,969.94 = 4,257.97/x
  3. Step 3: Cross multiply
    14,646.22x = 21,969.94 × 4,257.97
  4. Step 4: Simplify right side
    14,646.22x = 93,547,334.78
  5. Step 5: Solve for x
    x = 93,547,334.78/14,646.22
  6. Step 6: Final answer
    x = 6,387.13

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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.