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Finding the Fourth Proportional to 29,705.51, 40,999.02 and 17,130.26

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Solution

The fourth proportional to 29,705.51, 40,999.02 and 17,130.26 is: 23,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,705.51 : 40,999.02 = 17,130.26 : x
  2. Step 2: Convert to fraction form
    29,705.51/40,999.02 = 17,130.26/x
  3. Step 3: Cross multiply
    29,705.51x = 40,999.02 × 17,130.26
  4. Step 4: Simplify right side
    29,705.51x = 702,323,872.35
  5. Step 5: Solve for x
    x = 702,323,872.35/29,705.51
  6. Step 6: Final answer
    x = 23,642.88

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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.