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Finding the Fourth Proportional to 7,562.70, 10,437.10 and 4,205.78

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Solution

The fourth proportional to 7,562.70, 10,437.10 and 4,205.78 is: 5,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.70 : 10,437.10 = 4,205.78 : x
  2. Step 2: Convert to fraction form
    7,562.70/10,437.10 = 4,205.78/x
  3. Step 3: Cross multiply
    7,562.70x = 10,437.10 × 4,205.78
  4. Step 4: Simplify right side
    7,562.70x = 43,896,146.44
  5. Step 5: Solve for x
    x = 43,896,146.44/7,562.70
  6. Step 6: Final answer
    x = 5,804.30

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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.