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Finding the Fourth Proportional to 64,044.47, 96,080.99 and 19,675.71

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Solution

The fourth proportional to 64,044.47, 96,080.99 and 19,675.71 is: 29,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,044.47 : 96,080.99 = 19,675.71 : x
  2. Step 2: Convert to fraction form
    64,044.47/96,080.99 = 19,675.71/x
  3. Step 3: Cross multiply
    64,044.47x = 96,080.99 × 19,675.71
  4. Step 4: Simplify right side
    64,044.47x = 1,890,461,597.37
  5. Step 5: Solve for x
    x = 1,890,461,597.37/64,044.47
  6. Step 6: Final answer
    x = 29,517.95

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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.