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Finding the Fourth Proportional to 7,047.36, 9,714.08 and 5,552.96

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Solution

The fourth proportional to 7,047.36, 9,714.08 and 5,552.96 is: 7,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.36 : 9,714.08 = 5,552.96 : x
  2. Step 2: Convert to fraction form
    7,047.36/9,714.08 = 5,552.96/x
  3. Step 3: Cross multiply
    7,047.36x = 9,714.08 × 5,552.96
  4. Step 4: Simplify right side
    7,047.36x = 53,941,897.68
  5. Step 5: Solve for x
    x = 53,941,897.68/7,047.36
  6. Step 6: Final answer
    x = 7,654.20

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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.