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Finding the Fourth Proportional to 14,482.44, 21,689.64 and 7,063.68

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Solution

The fourth proportional to 14,482.44, 21,689.64 and 7,063.68 is: 10,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.44 : 21,689.64 = 7,063.68 : x
  2. Step 2: Convert to fraction form
    14,482.44/21,689.64 = 7,063.68/x
  3. Step 3: Cross multiply
    14,482.44x = 21,689.64 × 7,063.68
  4. Step 4: Simplify right side
    14,482.44x = 153,208,676.28
  5. Step 5: Solve for x
    x = 153,208,676.28/14,482.44
  6. Step 6: Final answer
    x = 10,578.93

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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.