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Finding the Fourth Proportional to 44,915.80, 67,368.30 and 18,617.80

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Solution

The fourth proportional to 44,915.80, 67,368.30 and 18,617.80 is: 27,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,915.80 : 67,368.30 = 18,617.80 : x
  2. Step 2: Convert to fraction form
    44,915.80/67,368.30 = 18,617.80/x
  3. Step 3: Cross multiply
    44,915.80x = 67,368.30 × 18,617.80
  4. Step 4: Simplify right side
    44,915.80x = 1,254,249,535.74
  5. Step 5: Solve for x
    x = 1,254,249,535.74/44,915.80
  6. Step 6: Final answer
    x = 27,924.46

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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.