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Finding the Fourth Proportional to 55,886.90, 83,830.37 and 14,333.90

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Solution

The fourth proportional to 55,886.90, 83,830.37 and 14,333.90 is: 21,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.90 : 83,830.37 = 14,333.90 : x
  2. Step 2: Convert to fraction form
    55,886.90/83,830.37 = 14,333.90/x
  3. Step 3: Cross multiply
    55,886.90x = 83,830.37 × 14,333.90
  4. Step 4: Simplify right side
    55,886.90x = 1,201,615,649.72
  5. Step 5: Solve for x
    x = 1,201,615,649.72/55,886.90
  6. Step 6: Final answer
    x = 21,500.85

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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.