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Finding the Fourth Proportional to 15,009.63, 22,514.74 and 4,621.38

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Solution

The fourth proportional to 15,009.63, 22,514.74 and 4,621.38 is: 6,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.63 : 22,514.74 = 4,621.38 : x
  2. Step 2: Convert to fraction form
    15,009.63/22,514.74 = 4,621.38/x
  3. Step 3: Cross multiply
    15,009.63x = 22,514.74 × 4,621.38
  4. Step 4: Simplify right side
    15,009.63x = 104,049,169.14
  5. Step 5: Solve for x
    x = 104,049,169.14/15,009.63
  6. Step 6: Final answer
    x = 6,932.16

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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.