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Finding the Fourth Proportional to 4,804.56, 6,631.56 and 3,312.72

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Solution

The fourth proportional to 4,804.56, 6,631.56 and 3,312.72 is: 4,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.56 : 6,631.56 = 3,312.72 : x
  2. Step 2: Convert to fraction form
    4,804.56/6,631.56 = 3,312.72/x
  3. Step 3: Cross multiply
    4,804.56x = 6,631.56 × 3,312.72
  4. Step 4: Simplify right side
    4,804.56x = 21,968,501.44
  5. Step 5: Solve for x
    x = 21,968,501.44/4,804.56
  6. Step 6: Final answer
    x = 4,572.43

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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.