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Finding the Fourth Proportional to 19,871.63, 29,807.51 and 6,020.63

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Solution

The fourth proportional to 19,871.63, 29,807.51 and 6,020.63 is: 9,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.63 : 29,807.51 = 6,020.63 : x
  2. Step 2: Convert to fraction form
    19,871.63/29,807.51 = 6,020.63/x
  3. Step 3: Cross multiply
    19,871.63x = 29,807.51 × 6,020.63
  4. Step 4: Simplify right side
    19,871.63x = 179,459,809.79
  5. Step 5: Solve for x
    x = 179,459,809.79/19,871.63
  6. Step 6: Final answer
    x = 9,030.96

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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.