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Finding the Fourth Proportional to 29,009.10, 40,029.39 and 17,076.18

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Solution

The fourth proportional to 29,009.10, 40,029.39 and 17,076.18 is: 23,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.10 : 40,029.39 = 17,076.18 : x
  2. Step 2: Convert to fraction form
    29,009.10/40,029.39 = 17,076.18/x
  3. Step 3: Cross multiply
    29,009.10x = 40,029.39 × 17,076.18
  4. Step 4: Simplify right side
    29,009.10x = 683,549,068.93
  5. Step 5: Solve for x
    x = 683,549,068.93/29,009.10
  6. Step 6: Final answer
    x = 23,563.26

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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.