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Finding the Fourth Proportional to 29,309.59, 40,442.66 and 17,371

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Solution

The fourth proportional to 29,309.59, 40,442.66 and 17,371 is: 23,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.59 : 40,442.66 = 17,371 : x
  2. Step 2: Convert to fraction form
    29,309.59/40,442.66 = 17,371/x
  3. Step 3: Cross multiply
    29,309.59x = 40,442.66 × 17,371
  4. Step 4: Simplify right side
    29,309.59x = 702,529,446.86
  5. Step 5: Solve for x
    x = 702,529,446.86/29,309.59
  6. Step 6: Final answer
    x = 23,969.27

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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.