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Finding the Fourth Proportional to 64,210.62, 88,609.35 and 35,916.54

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Solution

The fourth proportional to 64,210.62, 88,609.35 and 35,916.54 is: 49,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.62 : 88,609.35 = 35,916.54 : x
  2. Step 2: Convert to fraction form
    64,210.62/88,609.35 = 35,916.54/x
  3. Step 3: Cross multiply
    64,210.62x = 88,609.35 × 35,916.54
  4. Step 4: Simplify right side
    64,210.62x = 3,182,541,263.65
  5. Step 5: Solve for x
    x = 3,182,541,263.65/64,210.62
  6. Step 6: Final answer
    x = 49,564.09

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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.