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Finding the Fourth Proportional to 7,710.06, 10,640.03 and 4,525.64

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Solution

The fourth proportional to 7,710.06, 10,640.03 and 4,525.64 is: 6,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.06 : 10,640.03 = 4,525.64 : x
  2. Step 2: Convert to fraction form
    7,710.06/10,640.03 = 4,525.64/x
  3. Step 3: Cross multiply
    7,710.06x = 10,640.03 × 4,525.64
  4. Step 4: Simplify right side
    7,710.06x = 48,152,869.54
  5. Step 5: Solve for x
    x = 48,152,869.54/7,710.06
  6. Step 6: Final answer
    x = 6,245.46

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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.