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Finding the Fourth Proportional to 64,551.08, 89,072.70 and 35,870.60

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Solution

The fourth proportional to 64,551.08, 89,072.70 and 35,870.60 is: 49,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.08 : 89,072.70 = 35,870.60 : x
  2. Step 2: Convert to fraction form
    64,551.08/89,072.70 = 35,870.60/x
  3. Step 3: Cross multiply
    64,551.08x = 89,072.70 × 35,870.60
  4. Step 4: Simplify right side
    64,551.08x = 3,195,090,747.26
  5. Step 5: Solve for x
    x = 3,195,090,747.26/64,551.08
  6. Step 6: Final answer
    x = 49,497.10

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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.