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Finding the Fourth Proportional to 7,204.76, 9,939.90 and 4,848.48

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Solution

The fourth proportional to 7,204.76, 9,939.90 and 4,848.48 is: 6,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.76 : 9,939.90 = 4,848.48 : x
  2. Step 2: Convert to fraction form
    7,204.76/9,939.90 = 4,848.48/x
  3. Step 3: Cross multiply
    7,204.76x = 9,939.90 × 4,848.48
  4. Step 4: Simplify right side
    7,204.76x = 48,193,406.35
  5. Step 5: Solve for x
    x = 48,193,406.35/7,204.76
  6. Step 6: Final answer
    x = 6,689.11

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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.