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Finding the Fourth Proportional to 7,630.31, 10,528.94 and 4,444.31

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Solution

The fourth proportional to 7,630.31, 10,528.94 and 4,444.31 is: 6,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.31 : 10,528.94 = 4,444.31 : x
  2. Step 2: Convert to fraction form
    7,630.31/10,528.94 = 4,444.31/x
  3. Step 3: Cross multiply
    7,630.31x = 10,528.94 × 4,444.31
  4. Step 4: Simplify right side
    7,630.31x = 46,793,871.28
  5. Step 5: Solve for x
    x = 46,793,871.28/7,630.31
  6. Step 6: Final answer
    x = 6,132.63

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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.