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Finding the Fourth Proportional to 7,702.98, 10,560.75 and 7,562.85

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Solution

The fourth proportional to 7,702.98, 10,560.75 and 7,562.85 is: 10,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.98 : 10,560.75 = 7,562.85 : x
  2. Step 2: Convert to fraction form
    7,702.98/10,560.75 = 7,562.85/x
  3. Step 3: Cross multiply
    7,702.98x = 10,560.75 × 7,562.85
  4. Step 4: Simplify right side
    7,702.98x = 79,869,368.14
  5. Step 5: Solve for x
    x = 79,869,368.14/7,702.98
  6. Step 6: Final answer
    x = 10,368.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.