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Finding the Fourth Proportional to 14,423.67, 21,636.32 and 7,034.45

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Solution

The fourth proportional to 14,423.67, 21,636.32 and 7,034.45 is: 10,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.67 : 21,636.32 = 7,034.45 : x
  2. Step 2: Convert to fraction form
    14,423.67/21,636.32 = 7,034.45/x
  3. Step 3: Cross multiply
    14,423.67x = 21,636.32 × 7,034.45
  4. Step 4: Simplify right side
    14,423.67x = 152,199,467.87
  5. Step 5: Solve for x
    x = 152,199,467.87/14,423.67
  6. Step 6: Final answer
    x = 10,552.06

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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.