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Finding the Fourth Proportional to 19,959.45, 29,948.03 and 10,597.21

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Solution

The fourth proportional to 19,959.45, 29,948.03 and 10,597.21 is: 15,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.45 : 29,948.03 = 10,597.21 : x
  2. Step 2: Convert to fraction form
    19,959.45/29,948.03 = 10,597.21/x
  3. Step 3: Cross multiply
    19,959.45x = 29,948.03 × 10,597.21
  4. Step 4: Simplify right side
    19,959.45x = 317,365,643.34
  5. Step 5: Solve for x
    x = 317,365,643.34/19,959.45
  6. Step 6: Final answer
    x = 15,900.52

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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.