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Finding the Fourth Proportional to 46,659.96, 70,018.97 and 18,957.96

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Solution

The fourth proportional to 46,659.96, 70,018.97 and 18,957.96 is: 28,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659.96 : 70,018.97 = 18,957.96 : x
  2. Step 2: Convert to fraction form
    46,659.96/70,018.97 = 18,957.96/x
  3. Step 3: Cross multiply
    46,659.96x = 70,018.97 × 18,957.96
  4. Step 4: Simplify right side
    46,659.96x = 1,327,417,142.47
  5. Step 5: Solve for x
    x = 1,327,417,142.47/46,659.96
  6. Step 6: Final answer
    x = 28,448.74

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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.