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Finding the Fourth Proportional to 14,506.25, 21,764.55 and 8,953.13

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Solution

The fourth proportional to 14,506.25, 21,764.55 and 8,953.13 is: 13,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.25 : 21,764.55 = 8,953.13 : x
  2. Step 2: Convert to fraction form
    14,506.25/21,764.55 = 8,953.13/x
  3. Step 3: Cross multiply
    14,506.25x = 21,764.55 × 8,953.13
  4. Step 4: Simplify right side
    14,506.25x = 194,860,736.72
  5. Step 5: Solve for x
    x = 194,860,736.72/14,506.25
  6. Step 6: Final answer
    x = 13,432.89

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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.