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Finding the Fourth Proportional to 7,799.51, 10,759.87 and 4,653.88

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Solution

The fourth proportional to 7,799.51, 10,759.87 and 4,653.88 is: 6,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.51 : 10,759.87 = 4,653.88 : x
  2. Step 2: Convert to fraction form
    7,799.51/10,759.87 = 4,653.88/x
  3. Step 3: Cross multiply
    7,799.51x = 10,759.87 × 4,653.88
  4. Step 4: Simplify right side
    7,799.51x = 50,075,143.80
  5. Step 5: Solve for x
    x = 50,075,143.80/7,799.51
  6. Step 6: Final answer
    x = 6,420.29

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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.