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Finding the Fourth Proportional to 7,799.30, 11,699.04 and 4,510.40

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Solution

The fourth proportional to 7,799.30, 11,699.04 and 4,510.40 is: 6,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.30 : 11,699.04 = 4,510.40 : x
  2. Step 2: Convert to fraction form
    7,799.30/11,699.04 = 4,510.40/x
  3. Step 3: Cross multiply
    7,799.30x = 11,699.04 × 4,510.40
  4. Step 4: Simplify right side
    7,799.30x = 52,767,350.02
  5. Step 5: Solve for x
    x = 52,767,350.02/7,799.30
  6. Step 6: Final answer
    x = 6,765.65

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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.