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Finding the Fourth Proportional to 62,171.75, 93,256.72 and 15,424.63

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Solution

The fourth proportional to 62,171.75, 93,256.72 and 15,424.63 is: 23,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,171.75 : 93,256.72 = 15,424.63 : x
  2. Step 2: Convert to fraction form
    62,171.75/93,256.72 = 15,424.63/x
  3. Step 3: Cross multiply
    62,171.75x = 93,256.72 × 15,424.63
  4. Step 4: Simplify right side
    62,171.75x = 1,438,450,129.31
  5. Step 5: Solve for x
    x = 1,438,450,129.31/62,171.75
  6. Step 6: Final answer
    x = 23,136.72

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1.5x scale

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.