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Finding the Fourth Proportional to 7,775.04, 10,729.52 and 4,463.04

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Solution

The fourth proportional to 7,775.04, 10,729.52 and 4,463.04 is: 6,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.04 : 10,729.52 = 4,463.04 : x
  2. Step 2: Convert to fraction form
    7,775.04/10,729.52 = 4,463.04/x
  3. Step 3: Cross multiply
    7,775.04x = 10,729.52 × 4,463.04
  4. Step 4: Simplify right side
    7,775.04x = 47,886,276.94
  5. Step 5: Solve for x
    x = 47,886,276.94/7,775.04
  6. Step 6: Final answer
    x = 6,158.97

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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.