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Finding the Fourth Proportional to 7,808.12, 10,773.95 and 4,824.93

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Solution

The fourth proportional to 7,808.12, 10,773.95 and 4,824.93 is: 6,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.12 : 10,773.95 = 4,824.93 : x
  2. Step 2: Convert to fraction form
    7,808.12/10,773.95 = 4,824.93/x
  3. Step 3: Cross multiply
    7,808.12x = 10,773.95 × 4,824.93
  4. Step 4: Simplify right side
    7,808.12x = 51,983,530.45
  5. Step 5: Solve for x
    x = 51,983,530.45/7,808.12
  6. Step 6: Final answer
    x = 6,657.63

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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.