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Finding the Fourth Proportional to 11,642.64, 17,463.96 and 2,877.63

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Solution

The fourth proportional to 11,642.64, 17,463.96 and 2,877.63 is: 4,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.64 : 17,463.96 = 2,877.63 : x
  2. Step 2: Convert to fraction form
    11,642.64/17,463.96 = 2,877.63/x
  3. Step 3: Cross multiply
    11,642.64x = 17,463.96 × 2,877.63
  4. Step 4: Simplify right side
    11,642.64x = 50,254,815.21
  5. Step 5: Solve for x
    x = 50,254,815.21/11,642.64
  6. Step 6: Final answer
    x = 4,316.45

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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.