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Finding the Fourth Proportional to 29,371, 40,513.54 and 17,425.88

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Solution

The fourth proportional to 29,371, 40,513.54 and 17,425.88 is: 24,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371 : 40,513.54 = 17,425.88 : x
  2. Step 2: Convert to fraction form
    29,371/40,513.54 = 17,425.88/x
  3. Step 3: Cross multiply
    29,371x = 40,513.54 × 17,425.88
  4. Step 4: Simplify right side
    29,371x = 705,984,086.42
  5. Step 5: Solve for x
    x = 705,984,086.42/29,371
  6. Step 6: Final answer
    x = 24,036.77

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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.