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Finding the Fourth Proportional to 17,963.76, 24,790.76 and 10,005.99

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Solution

The fourth proportional to 17,963.76, 24,790.76 and 10,005.99 is: 13,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.76 : 24,790.76 = 10,005.99 : x
  2. Step 2: Convert to fraction form
    17,963.76/24,790.76 = 10,005.99/x
  3. Step 3: Cross multiply
    17,963.76x = 24,790.76 × 10,005.99
  4. Step 4: Simplify right side
    17,963.76x = 248,056,130.63
  5. Step 5: Solve for x
    x = 248,056,130.63/17,963.76
  6. Step 6: Final answer
    x = 13,808.69

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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.