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Finding the Fourth Proportional to 29,004.40, 40,019.40 and 17,063.20

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Solution

The fourth proportional to 29,004.40, 40,019.40 and 17,063.20 is: 23,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.40 : 40,019.40 = 17,063.20 : x
  2. Step 2: Convert to fraction form
    29,004.40/40,019.40 = 17,063.20/x
  3. Step 3: Cross multiply
    29,004.40x = 40,019.40 × 17,063.20
  4. Step 4: Simplify right side
    29,004.40x = 682,859,026.08
  5. Step 5: Solve for x
    x = 682,859,026.08/29,004.40
  6. Step 6: Final answer
    x = 23,543.29

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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.