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Finding the Fourth Proportional to 38,574.80, 57,775.80 and 37,710.80

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Solution

The fourth proportional to 38,574.80, 57,775.80 and 37,710.80 is: 56,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.80 : 57,775.80 = 37,710.80 : x
  2. Step 2: Convert to fraction form
    38,574.80/57,775.80 = 37,710.80/x
  3. Step 3: Cross multiply
    38,574.80x = 57,775.80 × 37,710.80
  4. Step 4: Simplify right side
    38,574.80x = 2,178,771,638.64
  5. Step 5: Solve for x
    x = 2,178,771,638.64/38,574.80
  6. Step 6: Final answer
    x = 56,481.74

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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.