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Finding the Fourth Proportional to 6,248.99, 9,372.11 and 1,866.79

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Solution

The fourth proportional to 6,248.99, 9,372.11 and 1,866.79 is: 2,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.99 : 9,372.11 = 1,866.79 : x
  2. Step 2: Convert to fraction form
    6,248.99/9,372.11 = 1,866.79/x
  3. Step 3: Cross multiply
    6,248.99x = 9,372.11 × 1,866.79
  4. Step 4: Simplify right side
    6,248.99x = 17,495,742.46
  5. Step 5: Solve for x
    x = 17,495,742.46/6,248.99
  6. Step 6: Final answer
    x = 2,799.77

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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.