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Finding the Fourth Proportional to 64,495.33, 89,000.56 and 35,816.81

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Solution

The fourth proportional to 64,495.33, 89,000.56 and 35,816.81 is: 49,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,495.33 : 89,000.56 = 35,816.81 : x
  2. Step 2: Convert to fraction form
    64,495.33/89,000.56 = 35,816.81/x
  3. Step 3: Cross multiply
    64,495.33x = 89,000.56 × 35,816.81
  4. Step 4: Simplify right side
    64,495.33x = 3,187,715,968.33
  5. Step 5: Solve for x
    x = 3,187,715,968.33/64,495.33
  6. Step 6: Final answer
    x = 49,425.53

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1.5x scale

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.