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Finding the Fourth Proportional to 29,041.50, 40,071.09 and 17,100.48

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Solution

The fourth proportional to 29,041.50, 40,071.09 and 17,100.48 is: 23,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.50 : 40,071.09 = 17,100.48 : x
  2. Step 2: Convert to fraction form
    29,041.50/40,071.09 = 17,100.48/x
  3. Step 3: Cross multiply
    29,041.50x = 40,071.09 × 17,100.48
  4. Step 4: Simplify right side
    29,041.50x = 685,234,873.12
  5. Step 5: Solve for x
    x = 685,234,873.12/29,041.50
  6. Step 6: Final answer
    x = 23,595.02

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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.