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Finding the Fourth Proportional to 29,005.66, 40,014.30 and 17,061.40

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Solution

The fourth proportional to 29,005.66, 40,014.30 and 17,061.40 is: 23,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.66 : 40,014.30 = 17,061.40 : x
  2. Step 2: Convert to fraction form
    29,005.66/40,014.30 = 17,061.40/x
  3. Step 3: Cross multiply
    29,005.66x = 40,014.30 × 17,061.40
  4. Step 4: Simplify right side
    29,005.66x = 682,699,978.02
  5. Step 5: Solve for x
    x = 682,699,978.02/29,005.66
  6. Step 6: Final answer
    x = 23,536.78

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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.