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Finding the Fourth Proportional to 43,032.66, 64,552.98 and 16,739.40

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Solution

The fourth proportional to 43,032.66, 64,552.98 and 16,739.40 is: 25,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032.66 : 64,552.98 = 16,739.40 : x
  2. Step 2: Convert to fraction form
    43,032.66/64,552.98 = 16,739.40/x
  3. Step 3: Cross multiply
    43,032.66x = 64,552.98 × 16,739.40
  4. Step 4: Simplify right side
    43,032.66x = 1,080,578,153.41
  5. Step 5: Solve for x
    x = 1,080,578,153.41/43,032.66
  6. Step 6: Final answer
    x = 25,110.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.