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Finding the Fourth Proportional to 51,523.56, 77,225.40 and 42,179.40

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Solution

The fourth proportional to 51,523.56, 77,225.40 and 42,179.40 is: 63,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,523.56 : 77,225.40 = 42,179.40 : x
  2. Step 2: Convert to fraction form
    51,523.56/77,225.40 = 42,179.40/x
  3. Step 3: Cross multiply
    51,523.56x = 77,225.40 × 42,179.40
  4. Step 4: Simplify right side
    51,523.56x = 3,257,321,036.76
  5. Step 5: Solve for x
    x = 3,257,321,036.76/51,523.56
  6. Step 6: Final answer
    x = 63,220.03

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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.