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Finding the Fourth Proportional to 64,564.74, 89,097.54 and 35,883.67

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Solution

The fourth proportional to 64,564.74, 89,097.54 and 35,883.67 is: 49,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,564.74 : 89,097.54 = 35,883.67 : x
  2. Step 2: Convert to fraction form
    64,564.74/89,097.54 = 35,883.67/x
  3. Step 3: Cross multiply
    64,564.74x = 89,097.54 × 35,883.67
  4. Step 4: Simplify right side
    64,564.74x = 3,197,146,723.17
  5. Step 5: Solve for x
    x = 3,197,146,723.17/64,564.74
  6. Step 6: Final answer
    x = 49,518.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.