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Finding the Fourth Proportional to 4,661.25, 6,432.53 and 2,798.25

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Solution

The fourth proportional to 4,661.25, 6,432.53 and 2,798.25 is: 3,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.25 : 6,432.53 = 2,798.25 : x
  2. Step 2: Convert to fraction form
    4,661.25/6,432.53 = 2,798.25/x
  3. Step 3: Cross multiply
    4,661.25x = 6,432.53 × 2,798.25
  4. Step 4: Simplify right side
    4,661.25x = 17,999,813.08
  5. Step 5: Solve for x
    x = 17,999,813.08/4,661.25
  6. Step 6: Final answer
    x = 3,861.59

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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.