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Finding the Fourth Proportional to 64,618.92, 96,953.09 and 25,203.51

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Solution

The fourth proportional to 64,618.92, 96,953.09 and 25,203.51 is: 37,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,618.92 : 96,953.09 = 25,203.51 : x
  2. Step 2: Convert to fraction form
    64,618.92/96,953.09 = 25,203.51/x
  3. Step 3: Cross multiply
    64,618.92x = 96,953.09 × 25,203.51
  4. Step 4: Simplify right side
    64,618.92x = 2,443,558,047.33
  5. Step 5: Solve for x
    x = 2,443,558,047.33/64,618.92
  6. Step 6: Final answer
    x = 37,814.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.