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Finding the Fourth Proportional to 10,321.95, 15,482.93 and 2,530.70

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Solution

The fourth proportional to 10,321.95, 15,482.93 and 2,530.70 is: 3,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.95 : 15,482.93 = 2,530.70 : x
  2. Step 2: Convert to fraction form
    10,321.95/15,482.93 = 2,530.70/x
  3. Step 3: Cross multiply
    10,321.95x = 15,482.93 × 2,530.70
  4. Step 4: Simplify right side
    10,321.95x = 39,182,560.88
  5. Step 5: Solve for x
    x = 39,182,560.88/10,321.95
  6. Step 6: Final answer
    x = 3,796.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.