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Finding the Fourth Proportional to 2,962.50, 4,444.47 and 910.50

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Solution

The fourth proportional to 2,962.50, 4,444.47 and 910.50 is: 1,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.50 : 4,444.47 = 910.50 : x
  2. Step 2: Convert to fraction form
    2,962.50/4,444.47 = 910.50/x
  3. Step 3: Cross multiply
    2,962.50x = 4,444.47 × 910.50
  4. Step 4: Simplify right side
    2,962.50x = 4,046,689.94
  5. Step 5: Solve for x
    x = 4,046,689.94/2,962.50
  6. Step 6: Final answer
    x = 1,365.97

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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.