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Finding the Fourth Proportional to 58,612.96, 87,918.24 and 14,239.96

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Solution

The fourth proportional to 58,612.96, 87,918.24 and 14,239.96 is: 21,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,612.96 : 87,918.24 = 14,239.96 : x
  2. Step 2: Convert to fraction form
    58,612.96/87,918.24 = 14,239.96/x
  3. Step 3: Cross multiply
    58,612.96x = 87,918.24 × 14,239.96
  4. Step 4: Simplify right side
    58,612.96x = 1,251,952,220.87
  5. Step 5: Solve for x
    x = 1,251,952,220.87/58,612.96
  6. Step 6: Final answer
    x = 21,359.65

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1.5x scale

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.