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Finding the Fourth Proportional to 47,009.65, 70,448.17 and 25,959.17

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Solution

The fourth proportional to 47,009.65, 70,448.17 and 25,959.17 is: 38,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.65 : 70,448.17 = 25,959.17 : x
  2. Step 2: Convert to fraction form
    47,009.65/70,448.17 = 25,959.17/x
  3. Step 3: Cross multiply
    47,009.65x = 70,448.17 × 25,959.17
  4. Step 4: Simplify right side
    47,009.65x = 1,828,775,668.98
  5. Step 5: Solve for x
    x = 1,828,775,668.98/47,009.65
  6. Step 6: Final answer
    x = 38,902.14

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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.