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Finding the Fourth Proportional to 17,348.55, 23,941.08 and 9,390.78

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Solution

The fourth proportional to 17,348.55, 23,941.08 and 9,390.78 is: 12,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.55 : 23,941.08 = 9,390.78 : x
  2. Step 2: Convert to fraction form
    17,348.55/23,941.08 = 9,390.78/x
  3. Step 3: Cross multiply
    17,348.55x = 23,941.08 × 9,390.78
  4. Step 4: Simplify right side
    17,348.55x = 224,825,415.24
  5. Step 5: Solve for x
    x = 224,825,415.24/17,348.55
  6. Step 6: Final answer
    x = 12,959.32

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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.