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Finding the Fourth Proportional to 64,648.36, 96,972.54 and 17,900.20

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Solution

The fourth proportional to 64,648.36, 96,972.54 and 17,900.20 is: 26,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,648.36 : 96,972.54 = 17,900.20 : x
  2. Step 2: Convert to fraction form
    64,648.36/96,972.54 = 17,900.20/x
  3. Step 3: Cross multiply
    64,648.36x = 96,972.54 × 17,900.20
  4. Step 4: Simplify right side
    64,648.36x = 1,735,827,860.51
  5. Step 5: Solve for x
    x = 1,735,827,860.51/64,648.36
  6. Step 6: Final answer
    x = 26,850.30

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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.