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Finding the Fourth Proportional to 57,776.88, 79,732.20 and 32,283.30

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Solution

The fourth proportional to 57,776.88, 79,732.20 and 32,283.30 is: 44,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,776.88 : 79,732.20 = 32,283.30 : x
  2. Step 2: Convert to fraction form
    57,776.88/79,732.20 = 32,283.30/x
  3. Step 3: Cross multiply
    57,776.88x = 79,732.20 × 32,283.30
  4. Step 4: Simplify right side
    57,776.88x = 2,574,018,532.26
  5. Step 5: Solve for x
    x = 2,574,018,532.26/57,776.88
  6. Step 6: Final answer
    x = 44,551.01

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1.5x scale

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.