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Finding the Fourth Proportional to 64,466.48, 88,957.28 and 35,783.96

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Solution

The fourth proportional to 64,466.48, 88,957.28 and 35,783.96 is: 49,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,466.48 : 88,957.28 = 35,783.96 : x
  2. Step 2: Convert to fraction form
    64,466.48/88,957.28 = 35,783.96/x
  3. Step 3: Cross multiply
    64,466.48x = 88,957.28 × 35,783.96
  4. Step 4: Simplify right side
    64,466.48x = 3,183,243,749.23
  5. Step 5: Solve for x
    x = 3,183,243,749.23/64,466.48
  6. Step 6: Final answer
    x = 49,378.28

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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.