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Finding the Fourth Proportional to 61,907.43, 85,437.54 and 35,054.67

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Solution

The fourth proportional to 61,907.43, 85,437.54 and 35,054.67 is: 48,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,907.43 : 85,437.54 = 35,054.67 : x
  2. Step 2: Convert to fraction form
    61,907.43/85,437.54 = 35,054.67/x
  3. Step 3: Cross multiply
    61,907.43x = 85,437.54 × 35,054.67
  4. Step 4: Simplify right side
    61,907.43x = 2,994,984,770.31
  5. Step 5: Solve for x
    x = 2,994,984,770.31/61,907.43
  6. Step 6: Final answer
    x = 48,378.44

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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.