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Finding the Fourth Proportional to 4,888.56, 6,747.12 and 3,295.20

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Solution

The fourth proportional to 4,888.56, 6,747.12 and 3,295.20 is: 4,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.56 : 6,747.12 = 3,295.20 : x
  2. Step 2: Convert to fraction form
    4,888.56/6,747.12 = 3,295.20/x
  3. Step 3: Cross multiply
    4,888.56x = 6,747.12 × 3,295.20
  4. Step 4: Simplify right side
    4,888.56x = 22,233,109.82
  5. Step 5: Solve for x
    x = 22,233,109.82/4,888.56
  6. Step 6: Final answer
    x = 4,547.99

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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.