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Finding the Fourth Proportional to 5,577.36, 8,389.08 and 5,047.44

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Solution

The fourth proportional to 5,577.36, 8,389.08 and 5,047.44 is: 7,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.36 : 8,389.08 = 5,047.44 : x
  2. Step 2: Convert to fraction form
    5,577.36/8,389.08 = 5,047.44/x
  3. Step 3: Cross multiply
    5,577.36x = 8,389.08 × 5,047.44
  4. Step 4: Simplify right side
    5,577.36x = 42,343,377.96
  5. Step 5: Solve for x
    x = 42,343,377.96/5,577.36
  6. Step 6: Final answer
    x = 7,592.01

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1.5x scale

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.