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Finding the Fourth Proportional to 7,173.01, 10,754.32 and 4,827.20

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Solution

The fourth proportional to 7,173.01, 10,754.32 and 4,827.20 is: 7,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.01 : 10,754.32 = 4,827.20 : x
  2. Step 2: Convert to fraction form
    7,173.01/10,754.32 = 4,827.20/x
  3. Step 3: Cross multiply
    7,173.01x = 10,754.32 × 4,827.20
  4. Step 4: Simplify right side
    7,173.01x = 51,913,196.72
  5. Step 5: Solve for x
    x = 51,913,196.72/7,173.01
  6. Step 6: Final answer
    x = 7,237.30

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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.