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Finding the Fourth Proportional to 29,659.25, 40,929.46 and 16,914.51

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Solution

The fourth proportional to 29,659.25, 40,929.46 and 16,914.51 is: 23,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.25 : 40,929.46 = 16,914.51 : x
  2. Step 2: Convert to fraction form
    29,659.25/40,929.46 = 16,914.51/x
  3. Step 3: Cross multiply
    29,659.25x = 40,929.46 × 16,914.51
  4. Step 4: Simplify right side
    29,659.25x = 692,301,675.89
  5. Step 5: Solve for x
    x = 692,301,675.89/29,659.25
  6. Step 6: Final answer
    x = 23,341.85

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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.