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Finding the Fourth Proportional to 29,478.49, 40,673.99 and 17,539.49

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Solution

The fourth proportional to 29,478.49, 40,673.99 and 17,539.49 is: 24,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.49 : 40,673.99 = 17,539.49 : x
  2. Step 2: Convert to fraction form
    29,478.49/40,673.99 = 17,539.49/x
  3. Step 3: Cross multiply
    29,478.49x = 40,673.99 × 17,539.49
  4. Step 4: Simplify right side
    29,478.49x = 713,401,186.40
  5. Step 5: Solve for x
    x = 713,401,186.40/29,478.49
  6. Step 6: Final answer
    x = 24,200.74

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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.