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Finding the Fourth Proportional to 71,304.68, 106,950.62 and 21,395.93

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Solution

The fourth proportional to 71,304.68, 106,950.62 and 21,395.93 is: 32,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.68 : 106,950.62 = 21,395.93 : x
  2. Step 2: Convert to fraction form
    71,304.68/106,950.62 = 21,395.93/x
  3. Step 3: Cross multiply
    71,304.68x = 106,950.62 × 21,395.93
  4. Step 4: Simplify right side
    71,304.68x = 2,288,307,497.71
  5. Step 5: Solve for x
    x = 2,288,307,497.71/71,304.68
  6. Step 6: Final answer
    x = 32,091.97

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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.