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Finding the Fourth Proportional to 15,262.63, 21,063.10 and 8,548.11

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Solution

The fourth proportional to 15,262.63, 21,063.10 and 8,548.11 is: 11,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.63 : 21,063.10 = 8,548.11 : x
  2. Step 2: Convert to fraction form
    15,262.63/21,063.10 = 8,548.11/x
  3. Step 3: Cross multiply
    15,262.63x = 21,063.10 × 8,548.11
  4. Step 4: Simplify right side
    15,262.63x = 180,049,695.74
  5. Step 5: Solve for x
    x = 180,049,695.74/15,262.63
  6. Step 6: Final answer
    x = 11,796.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.