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Finding the Fourth Proportional to 59,351.10, 89,012.25 and 19,897.98

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Solution

The fourth proportional to 59,351.10, 89,012.25 and 19,897.98 is: 29,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,351.10 : 89,012.25 = 19,897.98 : x
  2. Step 2: Convert to fraction form
    59,351.10/89,012.25 = 19,897.98/x
  3. Step 3: Cross multiply
    59,351.10x = 89,012.25 × 19,897.98
  4. Step 4: Simplify right side
    59,351.10x = 1,771,163,970.26
  5. Step 5: Solve for x
    x = 1,771,163,970.26/59,351.10
  6. Step 6: Final answer
    x = 29,842.14

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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.