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Finding the Fourth Proportional to 62,477.76, 93,716.56 and 15,730.64

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Solution

The fourth proportional to 62,477.76, 93,716.56 and 15,730.64 is: 23,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,477.76 : 93,716.56 = 15,730.64 : x
  2. Step 2: Convert to fraction form
    62,477.76/93,716.56 = 15,730.64/x
  3. Step 3: Cross multiply
    62,477.76x = 93,716.56 × 15,730.64
  4. Step 4: Simplify right side
    62,477.76x = 1,474,221,467.40
  5. Step 5: Solve for x
    x = 1,474,221,467.40/62,477.76
  6. Step 6: Final answer
    x = 23,595.94

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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.