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Finding the Fourth Proportional to 7,080.31, 9,774.98 and 4,901.51

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Solution

The fourth proportional to 7,080.31, 9,774.98 and 4,901.51 is: 6,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.31 : 9,774.98 = 4,901.51 : x
  2. Step 2: Convert to fraction form
    7,080.31/9,774.98 = 4,901.51/x
  3. Step 3: Cross multiply
    7,080.31x = 9,774.98 × 4,901.51
  4. Step 4: Simplify right side
    7,080.31x = 47,912,180.53
  5. Step 5: Solve for x
    x = 47,912,180.53/7,080.31
  6. Step 6: Final answer
    x = 6,766.96

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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.