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Finding the Fourth Proportional to 64,580.64, 96,895.80 and 25,165.68

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Solution

The fourth proportional to 64,580.64, 96,895.80 and 25,165.68 is: 37,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.64 : 96,895.80 = 25,165.68 : x
  2. Step 2: Convert to fraction form
    64,580.64/96,895.80 = 25,165.68/x
  3. Step 3: Cross multiply
    64,580.64x = 96,895.80 × 25,165.68
  4. Step 4: Simplify right side
    64,580.64x = 2,438,448,696.14
  5. Step 5: Solve for x
    x = 2,438,448,696.14/64,580.64
  6. Step 6: Final answer
    x = 37,758.20

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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.