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Finding the Fourth Proportional to 32,494,282.80, 44,862,499.80 and 20,911,974.48

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Solution

The fourth proportional to 32,494,282.80, 44,862,499.80 and 20,911,974.48 is: 28,871,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,494,282.80 : 44,862,499.80 = 20,911,974.48 : x
  2. Step 2: Convert to fraction form
    32,494,282.80/44,862,499.80 = 20,911,974.48/x
  3. Step 3: Cross multiply
    32,494,282.80x = 44,862,499.80 × 20,911,974.48
  4. Step 4: Simplify right side
    32,494,282.80x = 938,163,450,926,605
  5. Step 5: Solve for x
    x = 938,163,450,926,605/32,494,282.80
  6. Step 6: Final answer
    x = 28,871,646.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.