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Finding the Fourth Proportional to 64,028.46, 96,053.96 and 21,898.63

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Solution

The fourth proportional to 64,028.46, 96,053.96 and 21,898.63 is: 32,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,028.46 : 96,053.96 = 21,898.63 : x
  2. Step 2: Convert to fraction form
    64,028.46/96,053.96 = 21,898.63/x
  3. Step 3: Cross multiply
    64,028.46x = 96,053.96 × 21,898.63
  4. Step 4: Simplify right side
    64,028.46x = 2,103,450,130.07
  5. Step 5: Solve for x
    x = 2,103,450,130.07/64,028.46
  6. Step 6: Final answer
    x = 32,851.80

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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.