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Finding the Fourth Proportional to 58,907.70, 88,231.95 and 51,131.70

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Solution

The fourth proportional to 58,907.70, 88,231.95 and 51,131.70 is: 76,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.70 : 88,231.95 = 51,131.70 : x
  2. Step 2: Convert to fraction form
    58,907.70/88,231.95 = 51,131.70/x
  3. Step 3: Cross multiply
    58,907.70x = 88,231.95 × 51,131.70
  4. Step 4: Simplify right side
    58,907.70x = 4,511,449,597.82
  5. Step 5: Solve for x
    x = 4,511,449,597.82/58,907.70
  6. Step 6: Final answer
    x = 76,585.06

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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.