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Finding the Fourth Proportional to 23,159.72, 34,749.71 and 10,020.71

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Solution

The fourth proportional to 23,159.72, 34,749.71 and 10,020.71 is: 15,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.72 : 34,749.71 = 10,020.71 : x
  2. Step 2: Convert to fraction form
    23,159.72/34,749.71 = 10,020.71/x
  3. Step 3: Cross multiply
    23,159.72x = 34,749.71 × 10,020.71
  4. Step 4: Simplify right side
    23,159.72x = 348,216,840.84
  5. Step 5: Solve for x
    x = 348,216,840.84/23,159.72
  6. Step 6: Final answer
    x = 15,035.45

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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.