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Finding the Fourth Proportional to 4,789.42, 7,184.11 and 1,502.76

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Solution

The fourth proportional to 4,789.42, 7,184.11 and 1,502.76 is: 2,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.42 : 7,184.11 = 1,502.76 : x
  2. Step 2: Convert to fraction form
    4,789.42/7,184.11 = 1,502.76/x
  3. Step 3: Cross multiply
    4,789.42x = 7,184.11 × 1,502.76
  4. Step 4: Simplify right side
    4,789.42x = 10,795,985.63
  5. Step 5: Solve for x
    x = 10,795,985.63/4,789.42
  6. Step 6: Final answer
    x = 2,254.13

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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.