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Finding the Fourth Proportional to 43,610.10, 65,415.15 and 14,030.10

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Solution

The fourth proportional to 43,610.10, 65,415.15 and 14,030.10 is: 21,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.10 : 65,415.15 = 14,030.10 : x
  2. Step 2: Convert to fraction form
    43,610.10/65,415.15 = 14,030.10/x
  3. Step 3: Cross multiply
    43,610.10x = 65,415.15 × 14,030.10
  4. Step 4: Simplify right side
    43,610.10x = 917,781,096.02
  5. Step 5: Solve for x
    x = 917,781,096.02/43,610.10
  6. Step 6: Final answer
    x = 21,045.15

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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.