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Finding the Fourth Proportional to 62,772.80, 94,160.76 and 18,394.88

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Solution

The fourth proportional to 62,772.80, 94,160.76 and 18,394.88 is: 27,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,772.80 : 94,160.76 = 18,394.88 : x
  2. Step 2: Convert to fraction form
    62,772.80/94,160.76 = 18,394.88/x
  3. Step 3: Cross multiply
    62,772.80x = 94,160.76 × 18,394.88
  4. Step 4: Simplify right side
    62,772.80x = 1,732,075,880.91
  5. Step 5: Solve for x
    x = 1,732,075,880.91/62,772.80
  6. Step 6: Final answer
    x = 27,592.78

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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.